Move shaders to examples

33 files changed, 0 insertions, 1410 deletions

diff --git a/shaders/glsl100/base.vs b/shaders/glsl100/base.vs
deleted file mode 100644
index e9386939..00000000
--- a/shaders/glsl100/base.vs
+++ /dev/null
@@ -1,26 +0,0 @@
-#version 100
-
-// Input vertex attributes
-attribute vec3 vertexPosition;
-attribute vec2 vertexTexCoord;
-attribute vec3 vertexNormal;
-attribute vec4 vertexColor;
-
-// Input uniform values
-uniform mat4 mvpMatrix;
-
-// Output vertex attributes (to fragment shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// NOTE: Add here your custom variables 
-
-void main()
-{
-    // Send vertex attributes to fragment shader
-    fragTexCoord = vertexTexCoord;
-    fragColor = vertexColor;
-    
-    // Calculate final vertex position
-    gl_Position = mvpMatrix*vec4(vertexPosition, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/bloom.fs b/shaders/glsl100/bloom.fs
deleted file mode 100644
index a8e1d20f..00000000
--- a/shaders/glsl100/bloom.fs
+++ /dev/null
@@ -1,39 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-const vec2 size = vec2(800, 450);   // render size
-const float samples = 5.0;          // pixels per axis; higher = bigger glow, worse performance
-const float quality = 2.5; 	        // lower = smaller glow, better quality
-
-void main()
-{
-    vec4 sum = vec4(0);
-    vec2 sizeFactor = vec2(1)/size*quality;
-
-    // Texel color fetching from texture sampler
-    vec4 source = texture2D(texture0, fragTexCoord);
-
-    const int range = 2;            // should be = (samples - 1)/2;
-
-    for (int x = -range; x <= range; x++)
-    {
-        for (int y = -range; y <= range; y++)
-        {
-            sum += texture2D(texture0, fragTexCoord + vec2(x, y)*sizeFactor);
-        }
-    }
-
-    // Calculate final fragment color
-    gl_FragColor = ((sum/(samples*samples)) + source)*colDiffuse;
-}
\ No newline at end of file
diff --git a/shaders/glsl100/blur.fs b/shaders/glsl100/blur.fs
deleted file mode 100644
index 1935f080..00000000
--- a/shaders/glsl100/blur.fs
+++ /dev/null
@@ -1,34 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
-float offset[3] = float[]( 0.0, 1.3846153846, 3.2307692308 );
-float weight[3] = float[]( 0.2270270270, 0.3162162162, 0.0702702703 );
-
-void main() 
-{ 
-    // Texel color fetching from texture sampler
-    vec3 tc = texture2D(texture0, fragTexCoord).rgb*weight[0];
-
-    for (int i = 1; i < 3; i++) 
-    {
-        tc += texture2D(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
-        tc += texture2D(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
-    }
-
-    gl_FragColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/cross_hatching.fs b/shaders/glsl100/cross_hatching.fs
deleted file mode 100644
index ced0fd63..00000000
--- a/shaders/glsl100/cross_hatching.fs
+++ /dev/null
@@ -1,47 +0,0 @@
-# version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-float hatchOffsetY = 5.0f;
-float lumThreshold01 = 0.9f;
-float lumThreshold02 = 0.7f;
-float lumThreshold03 = 0.5f;
-float lumThreshold04 = 0.3f;
-
-void main() 
-{
-    vec3 tc = vec3(1.0, 1.0, 1.0);
-    float lum = length(texture2D(texture0, fragTexCoord).rgb);
-
-    if (lum < lumThreshold01) 
-    {
-        if (mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }  
-
-    if (lum < lumThreshold02) 
-    {
-        if (mod(gl_FragCoord .x - gl_FragCoord .y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }  
-
-    if (lum < lumThreshold03) 
-    {
-        if (mod(gl_FragCoord .x + gl_FragCoord .y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }  
-
-    if (lum < lumThreshold04) 
-    {
-        if (mod(gl_FragCoord .x - gl_FragCoord .y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }
-
-    gl_FragColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/cross_stitching.fs b/shaders/glsl100/cross_stitching.fs
deleted file mode 100644
index 67639a55..00000000
--- a/shaders/glsl100/cross_stitching.fs
+++ /dev/null
@@ -1,58 +0,0 @@
-# version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
-float stitchingSize = 6.0f;
-
-uniform int invert = 0;
-
-vec4 PostFX(sampler2D tex, vec2 uv)
-{
-    vec4 c = vec4(0.0);
-    float size = stitchingSize;
-    vec2 cPos = uv * vec2(renderWidth, renderHeight);
-    vec2 tlPos = floor(cPos / vec2(size, size));
-    tlPos *= size;
-
-    int remX = int(mod(cPos.x, size));
-    int remY = int(mod(cPos.y, size));
-    
-    if (remX == 0 && remY == 0) tlPos = cPos;
-    
-    vec2 blPos = tlPos;
-    blPos.y += (size - 1.0);
-    
-    if ((remX == remY) || (((int(cPos.x) - int(blPos.x)) == (int(blPos.y) - int(cPos.y)))))
-    {
-        if (invert == 1) c = vec4(0.2, 0.15, 0.05, 1.0);
-        else c = texture2D(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4;
-    }
-    else
-    {
-        if (invert == 1) c = texture2D(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4;
-        else c = vec4(0.0, 0.0, 0.0, 1.0);
-    }
-    
-    return c;
-}
-
-void main()
-{
-    vec3 tc = PostFX(texture0, fragTexCoord).rgb;
-
-    gl_FragColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/dream_vision.fs b/shaders/glsl100/dream_vision.fs
deleted file mode 100644
index fa9c5b77..00000000
--- a/shaders/glsl100/dream_vision.fs
+++ /dev/null
@@ -1,37 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    vec4 color = texture2D(texture0, fragTexCoord);
-
-    color += texture2D(texture0, fragTexCoord + 0.001);
-    color += texture2D(texture0, fragTexCoord + 0.003);
-    color += texture2D(texture0, fragTexCoord + 0.005);
-    color += texture2D(texture0, fragTexCoord + 0.007);
-    color += texture2D(texture0, fragTexCoord + 0.009);
-    color += texture2D(texture0, fragTexCoord + 0.011);
-
-    color += texture2D(texture0, fragTexCoord - 0.001);
-    color += texture2D(texture0, fragTexCoord - 0.003);
-    color += texture2D(texture0, fragTexCoord - 0.005);
-    color += texture2D(texture0, fragTexCoord - 0.007);
-    color += texture2D(texture0, fragTexCoord - 0.009);
-    color += texture2D(texture0, fragTexCoord - 0.011);
-
-    color.rgb = vec3((color.r + color.g + color.b)/3.0);
-    color = color/9.5;
-
-    gl_FragColor = color;
-}			
\ No newline at end of file
diff --git a/shaders/glsl100/fisheye.fs b/shaders/glsl100/fisheye.fs
deleted file mode 100644
index 461e1405..00000000
--- a/shaders/glsl100/fisheye.fs
+++ /dev/null
@@ -1,43 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-const float PI = 3.1415926535;
-
-void main()
-{
-    float aperture = 178.0f;
-    float apertureHalf = 0.5 * aperture * (PI / 180.0);
-    float maxFactor = sin(apertureHalf);
-
-    vec2 uv = vec2(0);
-    vec2 xy = 2.0 * fragTexCoord.xy - 1.0;
-    float d = length(xy);
-    
-    if (d < (2.0 - maxFactor))
-    {
-        d = length(xy * maxFactor);
-        float z = sqrt(1.0 - d * d);
-        float r = atan(d, z) / PI;
-        float phi = atan(xy.y, xy.x);
-
-        uv.x = r * cos(phi) + 0.5;
-        uv.y = r * sin(phi) + 0.5;
-    }
-    else
-    {
-        uv = fragTexCoord.xy;
-    }
-
-    gl_FragColor = texture2D(texture0, uv);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/grayscale.fs b/shaders/glsl100/grayscale.fs
deleted file mode 100644
index 15174ea5..00000000
--- a/shaders/glsl100/grayscale.fs
+++ /dev/null
@@ -1,25 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture2D(texture0, fragTexCoord)*colDiffuse*fragColor;
-    
-    // Convert texel color to grayscale using NTSC conversion weights
-    float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114));
-    
-    // Calculate final fragment color
-    gl_FragColor = vec4(gray, gray, gray, texelColor.a);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/pixel.fs b/shaders/glsl100/pixel.fs
deleted file mode 100644
index 41ba3ed6..00000000
--- a/shaders/glsl100/pixel.fs
+++ /dev/null
@@ -1,32 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables 
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
-uniform float pixelWidth = 5.0f;
-uniform float pixelHeight = 5.0f;
-
-void main() 
-{ 
-    float dx = pixelWidth*(1.0/renderWidth);
-    float dy = pixelHeight*(1.0/renderHeight);
-    
-    vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy));
-    
-    vec3 tc = texture2D(texture0, coord).rgb;
-
-    gl_FragColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/posterization.fs b/shaders/glsl100/posterization.fs
deleted file mode 100644
index a7942c82..00000000
--- a/shaders/glsl100/posterization.fs
+++ /dev/null
@@ -1,29 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-float gamma = 0.6;
-float numColors = 8.0;
-
-void main() 
-{ 
-    vec3 color = texture2D(texture0, fragTexCoord.xy).rgb;
-    
-    color = pow(color, vec3(gamma, gamma, gamma));
-    color = color*numColors;
-    color = floor(color);
-    color = color/numColors;
-    color = pow(color, vec3(1.0/gamma));
-    
-    gl_FragColor = vec4(color, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/predator.fs b/shaders/glsl100/predator.fs
deleted file mode 100644
index efa7fe79..00000000
--- a/shaders/glsl100/predator.fs
+++ /dev/null
@@ -1,30 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-void main() 
-{ 
-    vec3 color = texture2D(texture0, fragTexCoord).rgb;
-    vec3 colors[3];
-    colors[0] = vec3(0.0, 0.0, 1.0);
-    colors[1] = vec3(1.0, 1.0, 0.0);
-    colors[2] = vec3(1.0, 0.0, 0.0);
-    
-    float lum = (color.r + color.g + color.b)/3.0;
-    
-    int ix = (lum < 0.5)? 0:1;
-    
-    vec3 tc = mix(colors[ix], colors[ix+1], (lum-float(ix)*0.5)/0.5);
-    
-    gl_FragColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/scanlines.fs b/shaders/glsl100/scanlines.fs
deleted file mode 100644
index 529120d0..00000000
--- a/shaders/glsl100/scanlines.fs
+++ /dev/null
@@ -1,44 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-float offset = 0;
-float frequency = 720/3.0;
-
-uniform float time;
-
-void main()
-{
-/*
-    // Scanlines method 1
-    float tval = 0; //time
-    vec2 uv = 0.5 + (fragTexCoord - 0.5)*(0.9 + 0.01*sin(0.5*tval));
-
-    vec4 color = texture2D(texture0, fragTexCoord);
-
-    color = clamp(color*0.5 + 0.5*color*color*1.2, 0.0, 1.0);
-    color *= 0.5 + 0.5*16.0*uv.x*uv.y*(1.0 - uv.x)*(1.0 - uv.y);
-    color *= vec4(0.8, 1.0, 0.7, 1);
-    color *= 0.9 + 0.1*sin(10.0*tval + uv.y*1000.0);
-    color *= 0.97 + 0.03*sin(110.0*tval);
-
-    fragColor = color;
-*/
-    // Scanlines method 2
-    float globalPos = (fragTexCoord.y + offset) * frequency;
-    float wavePos = cos((fract(globalPos) - 0.5)*3.14);
-    
-    vec4 color = texture2D(texture0, fragTexCoord);
-
-    gl_FragColor = mix(vec4(0, 0.3, 0, 0), color, wavePos);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/standard.fs b/shaders/glsl100/standard.fs
deleted file mode 100644
index 3e78022d..00000000
--- a/shaders/glsl100/standard.fs
+++ /dev/null
@@ -1,150 +0,0 @@
-#version 100
-
-precision mediump float;
-
-varying vec3 fragPosition;
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-varying vec3 fragNormal;
-
-uniform sampler2D texture0;
-uniform sampler2D texture1;
-uniform sampler2D texture2;
-
-uniform vec4 colAmbient;
-uniform vec4 colDiffuse;
-uniform vec4 colSpecular;
-uniform float glossiness;
-
-uniform int useNormal;
-uniform int useSpecular;
-
-uniform mat4 modelMatrix;
-uniform vec3 viewDir;
-
-struct Light {
-    int enabled;
-    int type;
-    vec3 position;
-    vec3 direction;
-    vec4 diffuse;
-    float intensity;
-    float radius;
-    float coneAngle;
-};
-
-const int maxLights = 8;
-uniform Light lights[maxLights];
-
-vec3 CalcPointLight(Light l, vec3 n, vec3 v, float s)
-{
-    vec3 surfacePos = vec3(modelMatrix*vec4(fragPosition, 1));
-    vec3 surfaceToLight = l.position - surfacePos;
-    
-    // Diffuse shading
-    float brightness = clamp(dot(n, surfaceToLight)/(length(surfaceToLight)*length(n)), 0, 1);
-    float diff = 1.0/dot(surfaceToLight/l.radius, surfaceToLight/l.radius)*brightness*l.intensity;
-    
-    // Specular shading
-    float spec = 0.0;
-    if (diff > 0.0)
-    {
-        vec3 h = normalize(-l.direction + v);
-        spec = pow(dot(n, h), 3 + glossiness)*s;
-    }
-    
-    return (diff*l.diffuse.rgb + spec*colSpecular.rgb);
-}
-
-vec3 CalcDirectionalLight(Light l, vec3 n, vec3 v, float s)
-{
-    vec3 lightDir = normalize(-l.direction);
-    
-    // Diffuse shading
-    float diff = clamp(dot(n, lightDir), 0.0, 1.0)*l.intensity;
-    
-    // Specular shading
-    float spec = 0.0;
-    if (diff > 0.0)
-    {
-        vec3 h = normalize(lightDir + v);
-        spec = pow(dot(n, h), 3 + glossiness)*s;
-    }
-    
-    // Combine results
-    return (diff*l.intensity*l.diffuse.rgb + spec*colSpecular.rgb);
-}
-
-vec3 CalcSpotLight(Light l, vec3 n, vec3 v, float s)
-{
-    vec3 surfacePos = vec3(modelMatrix*vec4(fragPosition, 1));
-    vec3 lightToSurface = normalize(surfacePos - l.position);
-    vec3 lightDir = normalize(-l.direction);
-    
-    // Diffuse shading
-    float diff = clamp(dot(n, lightDir), 0.0, 1.0)*l.intensity;
-    
-    // Spot attenuation
-    float attenuation = clamp(dot(n, lightToSurface), 0.0, 1.0);
-    attenuation = dot(lightToSurface, -lightDir);
-    
-    float lightToSurfaceAngle = degrees(acos(attenuation));
-    if (lightToSurfaceAngle > l.coneAngle) attenuation = 0.0;
-    
-    float falloff = (l.coneAngle - lightToSurfaceAngle)/l.coneAngle;
-    
-    // Combine diffuse and attenuation
-    float diffAttenuation = diff*attenuation;
-    
-    // Specular shading
-    float spec = 0.0;
-    if (diffAttenuation > 0.0)
-    {
-        vec3 h = normalize(lightDir + v);
-        spec = pow(dot(n, h), 3 + glossiness)*s;
-    }
-    
-    return (falloff*(diffAttenuation*l.diffuse.rgb + spec*colSpecular.rgb));
-}
-
-void main()
-{
-    // Calculate fragment normal in screen space
-    // NOTE: important to multiply model matrix by fragment normal to apply model transformation (rotation and scale)
-    mat3 normalMatrix = transpose(inverse(mat3(modelMatrix)));
-    vec3 normal = normalize(normalMatrix*fragNormal);
-
-    // Normalize normal and view direction vectors
-    vec3 n = normalize(normal);
-    vec3 v = normalize(viewDir);
-
-    // Calculate diffuse texture color fetching
-    vec4 texelColor = texture2D(texture0, fragTexCoord);
-    vec3 lighting = colAmbient.rgb;
-    
-    // Calculate normal texture color fetching or set to maximum normal value by default
-    if (useNormal == 1)
-    {
-        n *= texture2D(texture1, fragTexCoord).rgb;
-        n = normalize(n);
-    }
-    
-    // Calculate specular texture color fetching or set to maximum specular value by default
-    float spec = 1.0;
-    if (useSpecular == 1) spec *= normalize(texture2D(texture2, fragTexCoord).r);
-    
-    for (int i = 0; i < maxLights; i++)
-    {
-        // Check if light is enabled
-        if (lights[i].enabled == 1)
-        {
-            // Calculate lighting based on light type
-            if(lights[i].type == 0) lighting += CalcPointLight(lights[i], n, v, spec);
-            else if(lights[i].type == 1) lighting += CalcDirectionalLight(lights[i], n, v, spec);
-            else if(lights[i].type == 2) lighting += CalcSpotLight(lights[i], n, v, spec);
-        }
-    }
-    
-    // Calculate final fragment color
-    gl_FragColor = vec4(texelColor.rgb*lighting*colDiffuse.rgb, texelColor.a*colDiffuse.a);
-}
diff --git a/shaders/glsl100/standard.vs b/shaders/glsl100/standard.vs
deleted file mode 100644
index 49c5a3eb..00000000
--- a/shaders/glsl100/standard.vs
+++ /dev/null
@@ -1,23 +0,0 @@
-#version 100
-
-attribute vec3 vertexPosition;
-attribute vec3 vertexNormal;
-attribute vec2 vertexTexCoord;
-attribute vec4 vertexColor;
-
-varying vec3 fragPosition;
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-varying vec3 fragNormal;
-
-uniform mat4 mvpMatrix;
-
-void main()
-{
-    fragPosition = vertexPosition;
-    fragTexCoord = vertexTexCoord;
-    fragColor = vertexColor;
-    fragNormal = vertexNormal;
-
-    gl_Position = mvpMatrix*vec4(vertexPosition, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl100/swirl.fs b/shaders/glsl100/swirl.fs
deleted file mode 100644
index 6b17874c..00000000
--- a/shaders/glsl100/swirl.fs
+++ /dev/null
@@ -1,46 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
-float radius = 250.0;
-float angle = 0.8;
-
-uniform vec2 center = vec2(200.0, 200.0);
-
-void main()
-{
-    vec2 texSize = vec2(renderWidth, renderHeight);
-    vec2 tc = fragTexCoord*texSize;
-    tc -= center;
-    
-    float dist = length(tc);
-
-    if (dist < radius) 
-    {
-        float percent = (radius - dist)/radius;
-        float theta = percent*percent*angle*8.0;
-        float s = sin(theta);
-        float c = cos(theta);
-        
-        tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c)));
-    }
-
-    tc += center;
-    vec3 color = texture2D(texture0, tc/texSize).rgb;
-
-    gl_FragColor = vec4(color, 1.0);;
-}
\ No newline at end of file
diff --git a/shaders/glsl100/template.fs b/shaders/glsl100/template.fs
deleted file mode 100644
index c1126423..00000000
--- a/shaders/glsl100/template.fs
+++ /dev/null
@@ -1,23 +0,0 @@
-#version 100
-
-precision mediump float;
-
-// Input vertex attributes (from vertex shader)
-varying vec2 fragTexCoord;
-varying vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture2D(texture0, fragTexCoord);
-    
-    // NOTE: Implement here your fragment shader code
-    
-    gl_FragColor = texelColor*colDiffuse;
-}
\ No newline at end of file
diff --git a/shaders/glsl330/base.vs b/shaders/glsl330/base.vs
deleted file mode 100644
index 638cb8ae..00000000
--- a/shaders/glsl330/base.vs
+++ /dev/null
@@ -1,26 +0,0 @@
-#version 330
-
-// Input vertex attributes
-in vec3 vertexPosition;
-in vec2 vertexTexCoord;
-in vec3 vertexNormal;
-in vec4 vertexColor;
-
-// Input uniform values
-uniform mat4 mvpMatrix;
-
-// Output vertex attributes (to fragment shader)
-out vec2 fragTexCoord;
-out vec4 fragColor;
-
-// NOTE: Add here your custom variables 
-
-void main()
-{
-    // Send vertex attributes to fragment shader
-    fragTexCoord = vertexTexCoord;
-    fragColor = vertexColor;
-    
-    // Calculate final vertex position
-    gl_Position = mvpMatrix*vec4(vertexPosition, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/bloom.fs b/shaders/glsl330/bloom.fs
deleted file mode 100644
index 333d5b05..00000000
--- a/shaders/glsl330/bloom.fs
+++ /dev/null
@@ -1,40 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-const vec2 size = vec2(800, 450);   // render size
-const float samples = 5.0;          // pixels per axis; higher = bigger glow, worse performance
-const float quality = 2.5; 	        // lower = smaller glow, better quality
-
-void main()
-{
-    vec4 sum = vec4(0);
-    vec2 sizeFactor = vec2(1)/size*quality;
-
-    // Texel color fetching from texture sampler
-    vec4 source = texture(texture0, fragTexCoord);
-
-    const int range = 2;            // should be = (samples - 1)/2;
-
-    for (int x = -range; x <= range; x++)
-    {
-        for (int y = -range; y <= range; y++)
-        {
-            sum += texture(texture0, fragTexCoord + vec2(x, y)*sizeFactor);
-        }
-    }
-
-    // Calculate final fragment color
-    finalColor = ((sum/(samples*samples)) + source)*colDiffuse;
-}
\ No newline at end of file
diff --git a/shaders/glsl330/blur.fs b/shaders/glsl330/blur.fs
deleted file mode 100644
index e4df406d..00000000
--- a/shaders/glsl330/blur.fs
+++ /dev/null
@@ -1,35 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
-float offset[3] = float[](0.0, 1.3846153846, 3.2307692308);
-float weight[3] = float[](0.2270270270, 0.3162162162, 0.0702702703);
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec3 texelColor = texture(texture0, fragTexCoord).rgb*weight[0];
-    
-    for (int i = 1; i < 3; i++) 
-    {
-        texelColor += texture(texture0, fragTexCoord + vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
-        texelColor += texture(texture0, fragTexCoord - vec2(offset[i])/renderWidth, 0.0).rgb*weight[i];
-    }
-
-    finalColor = vec4(texelColor, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/cross_hatching.fs b/shaders/glsl330/cross_hatching.fs
deleted file mode 100644
index f95ad075..00000000
--- a/shaders/glsl330/cross_hatching.fs
+++ /dev/null
@@ -1,48 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-float hatchOffsetY = 5.0;
-float lumThreshold01 = 0.9;
-float lumThreshold02 = 0.7;
-float lumThreshold03 = 0.5;
-float lumThreshold04 = 0.3;
-
-void main()
-{
-    vec3 tc = vec3(1.0, 1.0, 1.0);
-    float lum = length(texture(texture0, fragTexCoord).rgb);
-
-    if (lum < lumThreshold01) 
-    {
-        if (mod(gl_FragCoord.x + gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }
-
-    if (lum < lumThreshold02) 
-    {
-        if (mod(gl_FragCoord.x - gl_FragCoord.y, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }
-
-    if (lum < lumThreshold03) 
-    {
-        if (mod(gl_FragCoord.x + gl_FragCoord.y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }
-
-    if (lum < lumThreshold04) 
-    {
-        if (mod(gl_FragCoord.x - gl_FragCoord.y - hatchOffsetY, 10.0) == 0.0) tc = vec3(0.0, 0.0, 0.0);
-    }
-
-    finalColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/cross_stitching.fs b/shaders/glsl330/cross_stitching.fs
deleted file mode 100644
index 9cdd36ca..00000000
--- a/shaders/glsl330/cross_stitching.fs
+++ /dev/null
@@ -1,59 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800.0;
-const float renderHeight = 450.0;
-
-float stitchingSize = 6.0;
-
-uniform int invert = 0;
-
-vec4 PostFX(sampler2D tex, vec2 uv)
-{
-    vec4 c = vec4(0.0);
-    float size = stitchingSize;
-    vec2 cPos = uv * vec2(renderWidth, renderHeight);
-    vec2 tlPos = floor(cPos / vec2(size, size));
-    tlPos *= size;
-
-    int remX = int(mod(cPos.x, size));
-    int remY = int(mod(cPos.y, size));
-
-    if (remX == 0 && remY == 0) tlPos = cPos;
-
-    vec2 blPos = tlPos;
-    blPos.y += (size - 1.0);
-
-    if ((remX == remY) || (((int(cPos.x) - int(blPos.x)) == (int(blPos.y) - int(cPos.y)))))
-    {
-        if (invert == 1) c = vec4(0.2, 0.15, 0.05, 1.0);
-        else c = texture(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4;
-    }
-    else
-    {
-        if (invert == 1) c = texture(tex, tlPos * vec2(1.0/renderWidth, 1.0/renderHeight)) * 1.4;
-        else c = vec4(0.0, 0.0, 0.0, 1.0);
-    }
-    
-    return c;
-}
-
-void main()
-{
-    vec3 tc = PostFX(texture0, fragTexCoord).rgb;
-
-    finalColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/depth.fs b/shaders/glsl330/depth.fs
deleted file mode 100644
index 2422f390..00000000
--- a/shaders/glsl330/depth.fs
+++ /dev/null
@@ -1,27 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;     // Depth texture
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    float zNear = 0.01; // camera z near
-    float zFar = 10.0;  // camera z far
-    float z = texture(texture0, fragTexCoord).x;
-
-    // Linearize depth value
-    float depth = (2.0*zNear)/(zFar + zNear - z*(zFar - zNear));
-    
-    // Calculate final fragment color
-    finalColor = vec4(depth, depth, depth, 1.0f);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/dream_vision.fs b/shaders/glsl330/dream_vision.fs
deleted file mode 100644
index 03115862..00000000
--- a/shaders/glsl330/dream_vision.fs
+++ /dev/null
@@ -1,34 +0,0 @@
-#version 330
-
-in vec2 fragTexCoord;
-
-out vec4 fragColor;
-
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    vec4 color = texture(texture0, fragTexCoord);
-
-    color += texture(texture0, fragTexCoord + 0.001);
-    color += texture(texture0, fragTexCoord + 0.003);
-    color += texture(texture0, fragTexCoord + 0.005);
-    color += texture(texture0, fragTexCoord + 0.007);
-    color += texture(texture0, fragTexCoord + 0.009);
-    color += texture(texture0, fragTexCoord + 0.011);
-
-    color += texture(texture0, fragTexCoord - 0.001);
-    color += texture(texture0, fragTexCoord - 0.003);
-    color += texture(texture0, fragTexCoord - 0.005);
-    color += texture(texture0, fragTexCoord - 0.007);
-    color += texture(texture0, fragTexCoord - 0.009);
-    color += texture(texture0, fragTexCoord - 0.011);
-
-    color.rgb = vec3((color.r + color.g + color.b)/3.0);
-    color = color/9.5;
-
-    fragColor = color;
-}			
\ No newline at end of file
diff --git a/shaders/glsl330/fisheye.fs b/shaders/glsl330/fisheye.fs
deleted file mode 100644
index e85d7c9d..00000000
--- a/shaders/glsl330/fisheye.fs
+++ /dev/null
@@ -1,40 +0,0 @@
-#version 330
-
-in vec2 fragTexCoord;
-
-out vec4 fragColor;
-
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// NOTE: Add here your custom variables 
-
-const float PI = 3.1415926535;
-
-void main()
-{
-    float aperture = 178.0;
-    float apertureHalf = 0.5 * aperture * (PI / 180.0);
-    float maxFactor = sin(apertureHalf);
-
-    vec2 uv = vec2(0);
-    vec2 xy = 2.0 * fragTexCoord.xy - 1.0;
-    float d = length(xy);
-
-    if (d < (2.0 - maxFactor))
-    {
-        d = length(xy * maxFactor);
-        float z = sqrt(1.0 - d * d);
-        float r = atan(d, z) / PI;
-        float phi = atan(xy.y, xy.x);
-
-        uv.x = r * cos(phi) + 0.5;
-        uv.y = r * sin(phi) + 0.5;
-    }
-    else
-    {
-        uv = fragTexCoord.xy;
-    }
-
-    fragColor = texture(texture0, uv);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/grayscale.fs b/shaders/glsl330/grayscale.fs
deleted file mode 100644
index 5b3e11be..00000000
--- a/shaders/glsl330/grayscale.fs
+++ /dev/null
@@ -1,26 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord)*colDiffuse*fragColor;
-    
-    // Convert texel color to grayscale using NTSC conversion weights
-    float gray = dot(texelColor.rgb, vec3(0.299, 0.587, 0.114));
-    
-    // Calculate final fragment color
-    finalColor = vec4(gray, gray, gray, texelColor.a);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/pixel.fs b/shaders/glsl330/pixel.fs
deleted file mode 100644
index cf8aec44..00000000
--- a/shaders/glsl330/pixel.fs
+++ /dev/null
@@ -1,33 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
-uniform float pixelWidth = 5.0;
-uniform float pixelHeight = 5.0;
-
-void main()
-{
-    float dx = pixelWidth*(1.0/renderWidth);
-    float dy = pixelHeight*(1.0/renderHeight);
-
-    vec2 coord = vec2(dx*floor(fragTexCoord.x/dx), dy*floor(fragTexCoord.y/dy));
-
-    vec3 tc = texture(texture0, coord).rgb;
-
-    finalColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/posterization.fs b/shaders/glsl330/posterization.fs
deleted file mode 100644
index be2b5dd6..00000000
--- a/shaders/glsl330/posterization.fs
+++ /dev/null
@@ -1,31 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-float gamma = 0.6;
-float numColors = 8.0;
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec3 texelColor = texture(texture0, fragTexCoord.xy).rgb;
-    
-    texelColor = pow(texelColor, vec3(gamma, gamma, gamma));
-    texelColor = texelColor*numColors;
-    texelColor = floor(texelColor);
-    texelColor = texelColor/numColors;
-    texelColor = pow(texelColor, vec3(1.0/gamma));
-    
-    finalColor = vec4(texelColor, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/predator.fs b/shaders/glsl330/predator.fs
deleted file mode 100644
index 6a55c762..00000000
--- a/shaders/glsl330/predator.fs
+++ /dev/null
@@ -1,32 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec3 texelColor = texture(texture0, fragTexCoord).rgb;
-    vec3 colors[3];
-    colors[0] = vec3(0.0, 0.0, 1.0);
-    colors[1] = vec3(1.0, 1.0, 0.0);
-    colors[2] = vec3(1.0, 0.0, 0.0);
-    
-    float lum = (texelColor.r + texelColor.g + texelColor.b)/3.0;
-    
-    int ix = (lum < 0.5)? 0:1;
-    
-    vec3 tc = mix(colors[ix], colors[ix + 1], (lum - float(ix)*0.5)/0.5);
-    
-    finalColor = vec4(tc, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/scanlines.fs b/shaders/glsl330/scanlines.fs
deleted file mode 100644
index 22dc9cd5..00000000
--- a/shaders/glsl330/scanlines.fs
+++ /dev/null
@@ -1,49 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-float offset = 0.0;
-
-uniform float time;
-
-void main()
-{
-    float frequency = renderHeight/3.0;
-/*
-    // Scanlines method 1
-    float tval = 0; //time
-    vec2 uv = 0.5 + (fragTexCoord - 0.5)*(0.9 + 0.01*sin(0.5*tval));
-
-    vec4 color = texture(texture0, fragTexCoord);
-
-    color = clamp(color*0.5 + 0.5*color*color*1.2, 0.0, 1.0);
-    color *= 0.5 + 0.5*16.0*uv.x*uv.y*(1.0 - uv.x)*(1.0 - uv.y);
-    color *= vec4(0.8, 1.0, 0.7, 1);
-    color *= 0.9 + 0.1*sin(10.0*tval + uv.y*1000.0);
-    color *= 0.97 + 0.03*sin(110.0*tval);
-
-    fragColor = color;
-*/
-    // Scanlines method 2
-    float globalPos = (fragTexCoord.y + offset) * frequency;
-    float wavePos = cos((fract(globalPos) - 0.5)*3.14);
-    
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord);
-
-    finalColor = mix(vec4(0.0, 0.3, 0.0, 0.0), texelColor, wavePos);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/standard.fs b/shaders/glsl330/standard.fs
deleted file mode 100644
index f728be81..00000000
--- a/shaders/glsl330/standard.fs
+++ /dev/null
@@ -1,150 +0,0 @@
-#version 330
-
-in vec3 fragPosition;
-in vec2 fragTexCoord;
-in vec4 fragColor;
-in vec3 fragNormal;
-
-out vec4 finalColor;
-
-uniform sampler2D texture0;
-uniform sampler2D texture1;
-uniform sampler2D texture2;
-
-uniform vec4 colAmbient;
-uniform vec4 colDiffuse;
-uniform vec4 colSpecular;
-uniform float glossiness;
-
-uniform int useNormal;
-uniform int useSpecular;
-
-uniform mat4 modelMatrix;
-uniform vec3 viewDir;
-
-struct Light {
-    int enabled;
-    int type;
-    vec3 position;
-    vec3 direction;
-    vec4 diffuse;
-    float intensity;
-    float radius;
-    float coneAngle;
-};
-
-const int maxLights = 8;
-uniform Light lights[maxLights];
-
-vec3 CalcPointLight(Light l, vec3 n, vec3 v, float s)
-{
-    vec3 surfacePos = vec3(modelMatrix*vec4(fragPosition, 1));
-    vec3 surfaceToLight = l.position - surfacePos;
-    
-    // Diffuse shading
-    float brightness = clamp(dot(n, surfaceToLight)/(length(surfaceToLight)*length(n)), 0, 1);
-    float diff = 1.0/dot(surfaceToLight/l.radius, surfaceToLight/l.radius)*brightness*l.intensity;
-    
-    // Specular shading
-    float spec = 0.0;
-    if (diff > 0.0)
-    {
-        vec3 h = normalize(-l.direction + v);
-        spec = pow(dot(n, h), 3 + glossiness)*s;
-    }
-    
-    return (diff*l.diffuse.rgb + spec*colSpecular.rgb);
-}
-
-vec3 CalcDirectionalLight(Light l, vec3 n, vec3 v, float s)
-{
-    vec3 lightDir = normalize(-l.direction);
-    
-    // Diffuse shading
-    float diff = clamp(dot(n, lightDir), 0.0, 1.0)*l.intensity;
-    
-    // Specular shading
-    float spec = 0.0;
-    if (diff > 0.0)
-    {
-        vec3 h = normalize(lightDir + v);
-        spec = pow(dot(n, h), 3 + glossiness)*s;
-    }
-    
-    // Combine results
-    return (diff*l.intensity*l.diffuse.rgb + spec*colSpecular.rgb);
-}
-
-vec3 CalcSpotLight(Light l, vec3 n, vec3 v, float s)
-{
-    vec3 surfacePos = vec3(modelMatrix*vec4(fragPosition, 1));
-    vec3 lightToSurface = normalize(surfacePos - l.position);
-    vec3 lightDir = normalize(-l.direction);
-    
-    // Diffuse shading
-    float diff = clamp(dot(n, lightDir), 0.0, 1.0)*l.intensity;
-    
-    // Spot attenuation
-    float attenuation = clamp(dot(n, lightToSurface), 0.0, 1.0);
-    attenuation = dot(lightToSurface, -lightDir);
-    
-    float lightToSurfaceAngle = degrees(acos(attenuation));
-    if (lightToSurfaceAngle > l.coneAngle) attenuation = 0.0;
-    
-    float falloff = (l.coneAngle - lightToSurfaceAngle)/l.coneAngle;
-    
-    // Combine diffuse and attenuation
-    float diffAttenuation = diff*attenuation;
-    
-    // Specular shading
-    float spec = 0.0;
-    if (diffAttenuation > 0.0)
-    {
-        vec3 h = normalize(lightDir + v);
-        spec = pow(dot(n, h), 3 + glossiness)*s;
-    }
-    
-    return (falloff*(diffAttenuation*l.diffuse.rgb + spec*colSpecular.rgb));
-}
-
-void main()
-{
-    // Calculate fragment normal in screen space
-    // NOTE: important to multiply model matrix by fragment normal to apply model transformation (rotation and scale)
-    mat3 normalMatrix = transpose(inverse(mat3(modelMatrix)));
-    vec3 normal = normalize(normalMatrix*fragNormal);
-
-    // Normalize normal and view direction vectors
-    vec3 n = normalize(normal);
-    vec3 v = normalize(viewDir);
-
-    // Calculate diffuse texture color fetching
-    vec4 texelColor = texture(texture0, fragTexCoord);
-    vec3 lighting = colAmbient.rgb;
-    
-    // Calculate normal texture color fetching or set to maximum normal value by default
-    if (useNormal == 1)
-    {
-        n *= texture(texture1, fragTexCoord).rgb;
-        n = normalize(n);
-    }
-    
-    // Calculate specular texture color fetching or set to maximum specular value by default
-    float spec = 1.0;
-    if (useSpecular == 1) spec *= normalize(texture(texture2, fragTexCoord).r);
-    
-    for (int i = 0; i < maxLights; i++)
-    {
-        // Check if light is enabled
-        if (lights[i].enabled == 1)
-        {
-            // Calculate lighting based on light type
-            if(lights[i].type == 0) lighting += CalcPointLight(lights[i], n, v, spec);
-            else if(lights[i].type == 1) lighting += CalcDirectionalLight(lights[i], n, v, spec);
-            else if(lights[i].type == 2) lighting += CalcSpotLight(lights[i], n, v, spec);
-        }
-    }
-    
-    // Calculate final fragment color
-    finalColor = vec4(texelColor.rgb*lighting*colDiffuse.rgb, texelColor.a*colDiffuse.a);
-}
diff --git a/shaders/glsl330/standard.vs b/shaders/glsl330/standard.vs
deleted file mode 100644
index fc0a5ff4..00000000
--- a/shaders/glsl330/standard.vs
+++ /dev/null
@@ -1,23 +0,0 @@
-#version 330 
-
-in vec3 vertexPosition;
-in vec3 vertexNormal;
-in vec2 vertexTexCoord;
-in vec4 vertexColor;
-
-out vec3 fragPosition;
-out vec2 fragTexCoord;
-out vec4 fragColor;
-out vec3 fragNormal;
-
-uniform mat4 mvpMatrix;
-
-void main()
-{
-    fragPosition = vertexPosition;
-    fragTexCoord = vertexTexCoord;
-    fragColor = vertexColor;
-    fragNormal = vertexNormal;
-
-    gl_Position = mvpMatrix*vec4(vertexPosition, 1.0);
-}
\ No newline at end of file
diff --git a/shaders/glsl330/swirl.fs b/shaders/glsl330/swirl.fs
deleted file mode 100644
index c4b66768..00000000
--- a/shaders/glsl330/swirl.fs
+++ /dev/null
@@ -1,47 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-// NOTE: Render size values must be passed from code
-const float renderWidth = 800;
-const float renderHeight = 450;
-
-float radius = 250.0;
-float angle = 0.8;
-
-uniform vec2 center = vec2(200.0, 200.0);
-
-void main()
-{
-    vec2 texSize = vec2(renderWidth, renderHeight);
-    vec2 tc = fragTexCoord*texSize;
-    tc -= center;
-    
-    float dist = length(tc);
-
-    if (dist < radius) 
-    {
-        float percent = (radius - dist)/radius;
-        float theta = percent*percent*angle*8.0;
-        float s = sin(theta);
-        float c = cos(theta);
-        
-        tc = vec2(dot(tc, vec2(c, -s)), dot(tc, vec2(s, c)));
-    }
-
-    tc += center;
-    vec3 color = texture(texture0, tc/texSize).rgb;
-
-    finalColor = vec4(color, 1.0);;
-}
\ No newline at end of file
diff --git a/shaders/glsl330/template.fs b/shaders/glsl330/template.fs
deleted file mode 100644
index 2e73de14..00000000
--- a/shaders/glsl330/template.fs
+++ /dev/null
@@ -1,24 +0,0 @@
-#version 330
-
-// Input vertex attributes (from vertex shader)
-in vec2 fragTexCoord;
-in vec4 fragColor;
-
-// Input uniform values
-uniform sampler2D texture0;
-uniform vec4 colDiffuse;
-
-// Output fragment color
-out vec4 finalColor;
-
-// NOTE: Add here your custom variables
-
-void main()
-{
-    // Texel color fetching from texture sampler
-    vec4 texelColor = texture(texture0, fragTexCoord);
-    
-    // NOTE: Implement here your fragment shader code
-    
-    finalColor = texelColor*colDiffuse;
-}