diff --git a/examples/textures/resources/booth.png b/examples/textures/resources/booth.png new file mode 100644 index 000000000..b4147f77b Binary files /dev/null and b/examples/textures/resources/booth.png differ diff --git a/examples/textures/textures_sprite_stacking.c b/examples/textures/textures_sprite_stacking.c new file mode 100644 index 000000000..793a83699 --- /dev/null +++ b/examples/textures/textures_sprite_stacking.c @@ -0,0 +1,115 @@ +/******************************************************************************************* +* +* raylib [textures] example - sprite stacking +* +* Example complexity rating: [★★☆☆] 2/4 +* +* Example originally created with raylib 5.6-dev, last time updated with raylib 6.0 +* +* Example contributed by Robin (@RobinsAviary) and reviewed by Ramon Santamaria (@raysan5) +* +* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, +* BSD-like license that allows static linking with closed source software +* +* Redbooth model (c) 2017-2025 @kluchek under https://creativecommons.org/licenses/by/4.0/ https://github.com/kluchek/vox-models/ +* Copyright (c) 2025-2025 Robin (@RobinsAviary) +* +********************************************************************************************/ + +#include "raylib.h" +#include "raymath.h" + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - sprite stacking"); + + Texture2D booth = LoadTexture("resources/booth.png"); + + // The overall scale of the stacked sprite + float stackScale = 3.0f; + // The vertical spacing between each layer + float stackSpacing = 2.0f; + // The number of layers. Used for calculating the size of a single slice + unsigned int stackCount = 122; + // The speed to rotate the stacked sprite + float rotationSpeed = 30.0f; + // The current rotation of the stacked sprite + float rotation = 0.0f; + // The amount that speed will change by when the user presses A/D + const float speedChange = 0.25f; + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + // Use mouse wheel to affect stack separation + stackSpacing += GetMouseWheelMove()*0.1f; + stackSpacing = Clamp(stackSpacing, 0.0f, 5.0f); + + // Add a positive/negative offset to spin right/left at different speeds + if (IsKeyDown(KEY_LEFT) || IsKeyDown(KEY_A)) + { + rotationSpeed -= speedChange; + } + + if (IsKeyDown(KEY_RIGHT) || IsKeyDown(KEY_D)) + { + rotationSpeed += speedChange; + } + + rotation += rotationSpeed * GetFrameTime(); + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + ClearBackground(RAYWHITE); + + // Get the size of a single slice + float frameWidth = (float)booth.width; + float frameHeight = (float)booth.height/(float)stackCount; + + // Get the scaled resolution to draw at + float scaledWidth = frameWidth*stackScale; + float scaledHeight = frameHeight*stackScale; + + // Draw the stacked sprite, rotated to the correct angle, with an vertical offset applied based on its y location + for (int i = stackCount - 1; i >= 0; i--) + { + Rectangle source = { 0.0f, (float)i*frameHeight, frameWidth, frameHeight }; + // Center vertically + Rectangle dest = { screenWidth/2.0f, (screenHeight/2.0f) + (i*stackSpacing) - (stackSpacing*stackCount/2.0f), scaledWidth, scaledHeight }; + Vector2 origin = { scaledWidth/2.0f, scaledHeight/2.0f }; + + DrawTexturePro(booth, source, dest, origin, rotation, WHITE); + } + + DrawText("a/d to spin\nmouse wheel to change separation (aka 'angle')", 10, 10, 20, DARKGRAY); + const char *spacingText = TextFormat("current spacing: %.01f", stackSpacing); + DrawText(spacingText, 10, 50, 20, DARKGRAY); + const char *speedText = TextFormat("current speed: %.02f", rotationSpeed); + DrawText(speedText, 10, 70, 20, DARKGRAY); + DrawText("redbooth model (c) kluchek under cc 4.0", 10, 420, 20, DARKGRAY); + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(booth); + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +} \ No newline at end of file diff --git a/examples/textures/textures_sprite_stacking.png b/examples/textures/textures_sprite_stacking.png new file mode 100644 index 000000000..53b986823 Binary files /dev/null and b/examples/textures/textures_sprite_stacking.png differ