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Diffstat (limited to 'deps/raylib/examples/shapes/shapes_easings_box_anim.c')
-rw-r--r-- | deps/raylib/examples/shapes/shapes_easings_box_anim.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/deps/raylib/examples/shapes/shapes_easings_box_anim.c b/deps/raylib/examples/shapes/shapes_easings_box_anim.c new file mode 100644 index 0000000..c82beac --- /dev/null +++ b/deps/raylib/examples/shapes/shapes_easings_box_anim.c @@ -0,0 +1,141 @@ +/******************************************************************************************* +* +* raylib [shapes] example - easings box anim +* +* Example originally created with raylib 2.5, 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) 2014-2024 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +#include "reasings.h" // Required for easing functions + +//------------------------------------------------------------------------------------ +// Program main entry point +//------------------------------------------------------------------------------------ +int main(void) +{ + // Initialization + //-------------------------------------------------------------------------------------- + const int screenWidth = 800; + const int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [shapes] example - easings box anim"); + + // Box variables to be animated with easings + Rectangle rec = { GetScreenWidth()/2.0f, -100, 100, 100 }; + float rotation = 0.0f; + float alpha = 1.0f; + + int state = 0; + int framesCounter = 0; + + 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 + //---------------------------------------------------------------------------------- + switch (state) + { + case 0: // Move box down to center of screen + { + framesCounter++; + + // NOTE: Remember that 3rd parameter of easing function refers to + // desired value variation, do not confuse it with expected final value! + rec.y = EaseElasticOut((float)framesCounter, -100, GetScreenHeight()/2.0f + 100, 120); + + if (framesCounter >= 120) + { + framesCounter = 0; + state = 1; + } + } break; + case 1: // Scale box to an horizontal bar + { + framesCounter++; + rec.height = EaseBounceOut((float)framesCounter, 100, -90, 120); + rec.width = EaseBounceOut((float)framesCounter, 100, (float)GetScreenWidth(), 120); + + if (framesCounter >= 120) + { + framesCounter = 0; + state = 2; + } + } break; + case 2: // Rotate horizontal bar rectangle + { + framesCounter++; + rotation = EaseQuadOut((float)framesCounter, 0.0f, 270.0f, 240); + + if (framesCounter >= 240) + { + framesCounter = 0; + state = 3; + } + } break; + case 3: // Increase bar size to fill all screen + { + framesCounter++; + rec.height = EaseCircOut((float)framesCounter, 10, (float)GetScreenWidth(), 120); + + if (framesCounter >= 120) + { + framesCounter = 0; + state = 4; + } + } break; + case 4: // Fade out animation + { + framesCounter++; + alpha = EaseSineOut((float)framesCounter, 1.0f, -1.0f, 160); + + if (framesCounter >= 160) + { + framesCounter = 0; + state = 5; + } + } break; + default: break; + } + + // Reset animation at any moment + if (IsKeyPressed(KEY_SPACE)) + { + rec = (Rectangle){ GetScreenWidth()/2.0f, -100, 100, 100 }; + rotation = 0.0f; + alpha = 1.0f; + state = 0; + framesCounter = 0; + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + DrawRectanglePro(rec, (Vector2){ rec.width/2, rec.height/2 }, rotation, Fade(BLACK, alpha)); + + DrawText("PRESS [SPACE] TO RESET BOX ANIMATION!", 10, GetScreenHeight() - 25, 20, LIGHTGRAY); + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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