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Diffstat (limited to 'deps/raylib/examples/textures/textures_background_scrolling.c')
| -rw-r--r-- | deps/raylib/examples/textures/textures_background_scrolling.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/deps/raylib/examples/textures/textures_background_scrolling.c b/deps/raylib/examples/textures/textures_background_scrolling.c new file mode 100644 index 0000000..0df159c --- /dev/null +++ b/deps/raylib/examples/textures/textures_background_scrolling.c @@ -0,0 +1,92 @@ +/******************************************************************************************* +* +* raylib [textures] example - Background scrolling +* +* Example originally created with raylib 2.0, last time updated with raylib 2.5 +* +* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified, +* BSD-like license that allows static linking with closed source software +* +* Copyright (c) 2019-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [textures] example - background scrolling"); + + // NOTE: Be careful, background width must be equal or bigger than screen width + // if not, texture should be draw more than two times for scrolling effect + Texture2D background = LoadTexture("resources/cyberpunk_street_background.png"); + Texture2D midground = LoadTexture("resources/cyberpunk_street_midground.png"); + Texture2D foreground = LoadTexture("resources/cyberpunk_street_foreground.png"); + + float scrollingBack = 0.0f; + float scrollingMid = 0.0f; + float scrollingFore = 0.0f; + + SetTargetFPS(60); // Set our game to run at 60 frames-per-second + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + scrollingBack -= 0.1f; + scrollingMid -= 0.5f; + scrollingFore -= 1.0f; + + // NOTE: Texture is scaled twice its size, so it sould be considered on scrolling + if (scrollingBack <= -background.width*2) scrollingBack = 0; + if (scrollingMid <= -midground.width*2) scrollingMid = 0; + if (scrollingFore <= -foreground.width*2) scrollingFore = 0; + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(GetColor(0x052c46ff)); + + // Draw background image twice + // NOTE: Texture is scaled twice its size + DrawTextureEx(background, (Vector2){ scrollingBack, 20 }, 0.0f, 2.0f, WHITE); + DrawTextureEx(background, (Vector2){ background.width*2 + scrollingBack, 20 }, 0.0f, 2.0f, WHITE); + + // Draw midground image twice + DrawTextureEx(midground, (Vector2){ scrollingMid, 20 }, 0.0f, 2.0f, WHITE); + DrawTextureEx(midground, (Vector2){ midground.width*2 + scrollingMid, 20 }, 0.0f, 2.0f, WHITE); + + // Draw foreground image twice + DrawTextureEx(foreground, (Vector2){ scrollingFore, 70 }, 0.0f, 2.0f, WHITE); + DrawTextureEx(foreground, (Vector2){ foreground.width*2 + scrollingFore, 70 }, 0.0f, 2.0f, WHITE); + + DrawText("BACKGROUND SCROLLING & PARALLAX", 10, 10, 20, RED); + DrawText("(c) Cyberpunk Street Environment by Luis Zuno (@ansimuz)", screenWidth - 330, screenHeight - 20, 10, RAYWHITE); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + UnloadTexture(background); // Unload background texture + UnloadTexture(midground); // Unload midground texture + UnloadTexture(foreground); // Unload foreground texture + + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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