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example resize fixes

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This commit is contained in:
Jon Daniel 2025-02-26 19:12:32 +01:00
parent e4993c5557
commit 48f9c9c8ff
32 changed files with 323 additions and 234 deletions
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28
examples/shaders/shaders_custom_uniform.c
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@ -35,8 +35,10 @@ int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
int screenWidth = 800;
int screenHeight = 450;
float swirlSize[2] = { (float)screenWidth, (float)screenHeight };
float swirlCenter[2] = { (float)screenWidth/2, (float)screenHeight/2 };
SetConfigFlags(FLAG_MSAA_4X_HINT); // Enable Multi Sampling Anti Aliasing 4x (if available)
@ -62,12 +64,11 @@ int main(void)
// Get variable (uniform) location on the shader to connect with the program
// NOTE: If uniform variable could not be found in the shader, function returns -1
int swirlSizeLoc = GetShaderLocation(shader, "size");
int swirlCenterLoc = GetShaderLocation(shader, "center");
float swirlCenter[2] = { (float)screenWidth/2, (float)screenHeight/2 };
// Create a RenderTexture2D to be used for render to texture
RenderTexture2D target = LoadRenderTexture(screenWidth, screenHeight);
RenderTexture2D target;
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
@ -75,15 +76,24 @@ int main(void)
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
screenWidth = GetScreenWidth();
screenHeight = GetScreenHeight();
// Create a RenderTexture2D to be used for render to texture
UnloadRenderTexture(target);
target = LoadRenderTexture(screenWidth, screenHeight);
// Update
//----------------------------------------------------------------------------------
UpdateCamera(&camera, CAMERA_ORBITAL);
Vector2 mousePosition = GetMousePosition();
swirlSize[0] = screenWidth;
swirlSize[1] = screenHeight;
SetShaderValue(shader, swirlSizeLoc, swirlSize, SHADER_UNIFORM_VEC2);
swirlCenter[0] = mousePosition.x;
swirlCenter[1] = screenHeight - mousePosition.y;
// Send new value to the shader to be used on drawing
SetShaderValue(shader, swirlCenterLoc, swirlCenter, SHADER_UNIFORM_VEC2);
//----------------------------------------------------------------------------------
@ -98,7 +108,7 @@ int main(void)
DrawGrid(10, 1.0f); // Draw a grid
EndMode3D(); // End 3d mode drawing, returns to orthographic 2d mode
DrawText("TEXT DRAWN IN RENDER TEXTURE", 200, 10, 30, RED);
DrawText("TEXT DRAWN IN RENDER TEXTURE", screenWidth - 600, 10, 30, RED);
EndTextureMode(); // End drawing to texture (now we have a texture available for next passes)
BeginDrawing();
@ -107,7 +117,7 @@ int main(void)
// Enable shader using the custom uniform
BeginShaderMode(shader);
// NOTE: Render texture must be y-flipped due to default OpenGL coordinates (left-bottom)
DrawTextureRec(target.texture, (Rectangle){ 0, 0, (float)target.texture.width, (float)-target.texture.height }, (Vector2){ 0, 0 }, WHITE);
DrawTextureRec(target.texture, (Rectangle){ 0, 0, (float)screenWidth, (float)-screenHeight }, (Vector2){ 0, 0 }, WHITE);
EndShaderMode();
// Draw some 2d text over drawn texture
@ -128,4 +138,4 @@ int main(void)
//--------------------------------------------------------------------------------------
return 0;
}
}