diff options
Diffstat (limited to 'src/core.c')
| -rw-r--r-- | src/core.c | 28 |
1 files changed, 21 insertions, 7 deletions
@@ -1761,8 +1761,19 @@ static void InitGraphicsDevice(int width, int height) #endif // defined(PLATFORM_ANDROID) || defined(PLATFORM_RPI) // Initialize OpenGL context (states and resources) - rlglInit(); // Init rlgl - rlglInitGraphics(renderOffsetX, renderOffsetY, renderWidth, renderHeight); // Init graphics (OpenGL stuff) + rlglInit(); + + // Initialize screen viewport (area of the screen that you will actually draw to) + // NOTE: Viewport must be recalculated if screen is resized + rlViewport(renderOffsetX/2, renderOffsetY/2, renderWidth - renderOffsetX, renderHeight - renderOffsetY); + + // Initialize internal projection and modelview matrices + // NOTE: Default to orthographic projection mode with top-left corner at (0,0) + rlMatrixMode(RL_PROJECTION); // Switch to PROJECTION matrix + rlLoadIdentity(); // Reset current matrix (PROJECTION) + rlOrtho(0, renderWidth - renderOffsetX, renderHeight - renderOffsetY, 0, 0.0f, 1.0f); + rlMatrixMode(RL_MODELVIEW); // Switch back to MODELVIEW matrix + rlLoadIdentity(); // Reset current matrix (MODELVIEW) ClearBackground(RAYWHITE); // Default background color for raylib games :P @@ -2127,8 +2138,14 @@ static void CursorEnterCallback(GLFWwindow *window, int enter) // NOTE: Window resizing not allowed by default static void WindowSizeCallback(GLFWwindow *window, int width, int height) { - // If window is resized, graphics device is re-initialized (but only ortho mode) - rlglInitGraphics(0, 0, width, height); + // If window is resized, viewport and projection matrix needs to be re-calculated + rlViewport(0, 0, width, height); // Set viewport width and height + rlMatrixMode(RL_PROJECTION); // Switch to PROJECTION matrix + rlLoadIdentity(); // Reset current matrix (PROJECTION) + rlOrtho(0, width, height, 0, 0.0f, 1.0f); // Orthographic projection mode with top-left corner at (0,0) + rlMatrixMode(RL_MODELVIEW); // Switch back to MODELVIEW matrix + rlLoadIdentity(); // Reset current matrix (MODELVIEW) + rlClearScreenBuffers(); // Clear screen buffers (color and depth) // Window size must be updated to be used on 3D mode to get new aspect ratio (Begin3dMode()) screenWidth = width; @@ -2137,9 +2154,6 @@ static void WindowSizeCallback(GLFWwindow *window, int width, int height) renderHeight = height; // NOTE: Postprocessing texture is not scaled to new size - - // Background must be also re-cleared - ClearBackground(RAYWHITE); } // GLFW3 WindowIconify Callback, runs when window is minimized/restored |