diff options
Diffstat (limited to 'examples/web/textures/textures_particles_blending.c')
| -rw-r--r-- | examples/web/textures/textures_particles_blending.c | 48 |
1 files changed, 24 insertions, 24 deletions
diff --git a/examples/web/textures/textures_particles_blending.c b/examples/web/textures/textures_particles_blending.c index cfc60cc..eda2c10 100644 --- a/examples/web/textures/textures_particles_blending.c +++ b/examples/web/textures/textures_particles_blending.c @@ -20,8 +20,8 @@ //---------------------------------------------------------------------------------- // Global Variables Definition //---------------------------------------------------------------------------------- -int screenWidth = 800; -int screenHeight = 450; +const int screenWidth = 800; +const int screenHeight = 450; // Particle structure with basic data typedef struct { @@ -33,11 +33,11 @@ typedef struct { bool active; // NOTE: Use it to activate/deactive particle } Particle; -Particle mouseTail[MAX_PARTICLES]; +Particle mouseTail[MAX_PARTICLES] = { 0 }; float gravity = 3.0f; -Texture2D smoke; +Texture2D smoke = { 0 }; int blending = BLEND_ALPHA; @@ -48,7 +48,7 @@ int blending = BLEND_ALPHA; void UpdateDrawFrame(void); // Update and Draw one frame //---------------------------------------------------------------------------------- -// Main Enry Point +// Program Main Entry Point //---------------------------------------------------------------------------------- int main(void) { @@ -66,15 +66,15 @@ int main(void) mouseTail[i].rotation = GetRandomValue(0, 360); mouseTail[i].active = false; } - + smoke = LoadTexture("resources/smoke.png"); - + #if defined(PLATFORM_WEB) emscripten_set_main_loop(UpdateDrawFrame, 0, 1); #else SetTargetFPS(60); // Set our game to run at 60 frames-per-second //-------------------------------------------------------------------------------------- - + // Main game loop while (!WindowShouldClose()) // Detect window close button or ESC key { @@ -84,7 +84,7 @@ int main(void) // De-Initialization //-------------------------------------------------------------------------------------- - UnloadTexture(smoke); // Texture unloading + UnloadTexture(smoke); // Texture unloading CloseWindow(); // Close window and OpenGL context //-------------------------------------------------------------------------------------- @@ -120,13 +120,13 @@ void UpdateDrawFrame(void) { mouseTail[i].position.y += gravity; mouseTail[i].alpha -= 0.01f; - + if (mouseTail[i].alpha <= 0.0f) mouseTail[i].active = false; - + mouseTail[i].rotation += 5.0f; } } - + if (IsKeyPressed(KEY_SPACE)) { if (blending == BLEND_ALPHA) blending = BLEND_ADDITIVE; @@ -139,22 +139,22 @@ void UpdateDrawFrame(void) BeginDrawing(); ClearBackground(DARKGRAY); - + BeginBlendMode(blending); - // Draw active particles - for (int i = 0; i < MAX_PARTICLES; i++) - { - if (mouseTail[i].active) DrawTexturePro(smoke, (Rectangle){ 0, 0, smoke.width, smoke.height }, - (Rectangle){ mouseTail[i].position.x, mouseTail[i].position.y, smoke.width*mouseTail[i].size, smoke.height*mouseTail[i].size }, - (Vector2){ smoke.width*mouseTail[i].size/2, smoke.height*mouseTail[i].size/2 }, mouseTail[i].rotation, - Fade(mouseTail[i].color, mouseTail[i].alpha)); - } - + // Draw active particles + for (int i = 0; i < MAX_PARTICLES; i++) + { + if (mouseTail[i].active) DrawTexturePro(smoke, (Rectangle){ 0, 0, smoke.width, smoke.height }, + (Rectangle){ mouseTail[i].position.x, mouseTail[i].position.y, smoke.width*mouseTail[i].size, smoke.height*mouseTail[i].size }, + (Vector2){ smoke.width*mouseTail[i].size/2, smoke.height*mouseTail[i].size/2 }, mouseTail[i].rotation, + Fade(mouseTail[i].color, mouseTail[i].alpha)); + } + EndBlendMode(); - + DrawText("PRESS SPACE to CHANGE BLENDING MODE", 180, 20, 20, BLACK); - + if (blending == BLEND_ALPHA) DrawText("ALPHA BLENDING", 290, screenHeight - 40, 20, BLACK); else DrawText("ADDITIVE BLENDING", 280, screenHeight - 40, 20, RAYWHITE); |