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Example resize fixes using IsWindowResized()

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This commit is contained in:
Jon Daniel 2025-08-02 00:07:46 +02:00
commit b16313a2d3
1 changed files with 325 additions and 177 deletions
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25
examples/shaders/shaders_hybrid_render.c
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@ -49,8 +49,9 @@ int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
int screenWidth = 800;
int screenHeight = 450;
Vector2 screenCenter = {.x = screenWidth/2.0f, .y = screenHeight/2.0f};
InitWindow(screenWidth, screenHeight, "raylib [shaders] example - write depth buffer");
@ -69,12 +70,6 @@ int main(void)
marchLocs.camDir = GetShaderLocation(shdrRaymarch, "camDir");
marchLocs.screenCenter = GetShaderLocation(shdrRaymarch, "screenCenter");
// Transfer screenCenter position to shader. Which is used to calculate ray direction.
Vector2 screenCenter = {.x = screenWidth/2.0f, .y = screenHeight/2.0f};
SetShaderValue(shdrRaymarch, marchLocs.screenCenter , &screenCenter , SHADER_UNIFORM_VEC2);
// Use Customized function to create writable depth texture buffer
RenderTexture2D target = LoadRenderTextureDepthTex(screenWidth, screenHeight);
// Define the camera to look into our 3d world
Camera camera = {
@ -87,6 +82,7 @@ int main(void)
// Camera FOV is pre-calculated in the camera Distance.
float camDist = 1.0f/(tanf(camera.fovy*0.5f*DEG2RAD));
RenderTexture2D target = LoadRenderTextureDepthTex(screenWidth, screenHeight);
SetTargetFPS(60); // Set our game to run at 60 frames-per-second
//--------------------------------------------------------------------------------------
@ -96,6 +92,18 @@ int main(void)
{
// Update
//----------------------------------------------------------------------------------
// Use Customized function to create writable depth texture buffer
// Transfer screenCenter position to shader. Which is used to calculate ray direction.
if (IsWindowResized())
{
screenWidth = GetScreenWidth();
screenHeight = GetScreenHeight();
screenCenter.x = screenWidth/2.0f;
screenCenter.y = screenHeight/2.0f;
UnloadRenderTexture(target);
target = LoadRenderTextureDepthTex(screenWidth, screenHeight);
}
SetShaderValue(shdrRaymarch, marchLocs.screenCenter , &screenCenter , SHADER_UNIFORM_VEC2);
UpdateCamera(&camera, CAMERA_ORBITAL);
// Update Camera Postion in the ray march shader.
@ -133,7 +141,6 @@ int main(void)
// Draw into screen our custom render texture
BeginDrawing();
ClearBackground(RAYWHITE);
DrawTextureRec(target.texture, (Rectangle) { 0, 0, (float)screenWidth, (float)-screenHeight }, (Vector2) { 0, 0 }, WHITE);
DrawFPS(10, 10);
EndDrawing();