diff options
Diffstat (limited to 'examples/resources/shaders/standard.fs')
| -rw-r--r-- | examples/resources/shaders/standard.fs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/examples/resources/shaders/standard.fs b/examples/resources/shaders/standard.fs index e5916031..e5a6d1bc 100644 --- a/examples/resources/shaders/standard.fs +++ b/examples/resources/shaders/standard.fs @@ -88,8 +88,10 @@ vec3 CalcSpotLight(Light l, vec3 n, vec3 v, float s) // 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 @@ -103,7 +105,7 @@ vec3 CalcSpotLight(Light l, vec3 n, vec3 v, float s) spec = pow(dot(n, h), 3 + glossiness)*s; } - return falloff*(diffAttenuation*l.diffuse.rgb + spec*colSpecular.rgb); + return (falloff*(diffAttenuation*l.diffuse.rgb + spec*colSpecular.rgb)); } void main() @@ -122,7 +124,7 @@ void main() vec3 lighting = colAmbient.rgb; // Calculate normal texture color fetching or set to maximum normal value by default - if(useNormal == 1) + if (useNormal == 1) { n *= texture(texture1, fragTexCoord).rgb; n = normalize(n); @@ -130,7 +132,7 @@ void main() // 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); + if (useSpecular == 1) spec *= normalize(texture(texture2, fragTexCoord).r); for (int i = 0; i < lightsCount; i++) { |