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Diffstat (limited to 'examples/src/shapes/shapes_logo_raylib_anim.c')
| -rw-r--r-- | examples/src/shapes/shapes_logo_raylib_anim.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/examples/src/shapes/shapes_logo_raylib_anim.c b/examples/src/shapes/shapes_logo_raylib_anim.c new file mode 100644 index 0000000..c6d3796 --- /dev/null +++ b/examples/src/shapes/shapes_logo_raylib_anim.c @@ -0,0 +1,160 @@ +/******************************************************************************************* +* +* raylib [shapes] example - raylib logo animation +* +* This example has been created using raylib 1.4 (www.raylib.com) +* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details) +* +* Copyright (c) 2014 Ramon Santamaria (@raysan5) +* +********************************************************************************************/ + +#include "raylib.h" + +int main() +{ + // Initialization + //-------------------------------------------------------------------------------------- + int screenWidth = 800; + int screenHeight = 450; + + InitWindow(screenWidth, screenHeight, "raylib [shapes] example - raylib logo animation"); + + int logoPositionX = screenWidth/2 - 128; + int logoPositionY = screenHeight/2 - 128; + + int framesCounter = 0; + int lettersCount = 0; + + int topSideRecWidth = 16; + int leftSideRecHeight = 16; + + int bottomSideRecWidth = 16; + int rightSideRecHeight = 16; + + int state = 0; // Tracking animation states (State Machine) + float alpha = 1.0f; // Useful for fading + + SetTargetFPS(60); + //-------------------------------------------------------------------------------------- + + // Main game loop + while (!WindowShouldClose()) // Detect window close button or ESC key + { + // Update + //---------------------------------------------------------------------------------- + if (state == 0) // State 0: Small box blinking + { + framesCounter++; + + if (framesCounter == 120) + { + state = 1; + framesCounter = 0; // Reset counter... will be used later... + } + } + else if (state == 1) // State 1: Top and left bars growing + { + topSideRecWidth += 4; + leftSideRecHeight += 4; + + if (topSideRecWidth == 256) state = 2; + } + else if (state == 2) // State 2: Bottom and right bars growing + { + bottomSideRecWidth += 4; + rightSideRecHeight += 4; + + if (bottomSideRecWidth == 256) state = 3; + } + else if (state == 3) // State 3: Letters appearing (one by one) + { + framesCounter++; + + if (framesCounter/12) // Every 12 frames, one more letter! + { + lettersCount++; + framesCounter = 0; + } + + if (lettersCount >= 10) // When all letters have appeared, just fade out everything + { + alpha -= 0.02f; + + if (alpha <= 0.0f) + { + alpha = 0.0f; + state = 4; + } + } + } + else if (state == 4) // State 4: Reset and Replay + { + if (IsKeyPressed('R')) + { + framesCounter = 0; + lettersCount = 0; + + topSideRecWidth = 16; + leftSideRecHeight = 16; + + bottomSideRecWidth = 16; + rightSideRecHeight = 16; + + alpha = 1.0f; + state = 0; // Return to State 0 + } + } + //---------------------------------------------------------------------------------- + + // Draw + //---------------------------------------------------------------------------------- + BeginDrawing(); + + ClearBackground(RAYWHITE); + + if (state == 0) + { + if ((framesCounter/15)%2) DrawRectangle(logoPositionX, logoPositionY, 16, 16, BLACK); + } + else if (state == 1) + { + DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK); + DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK); + } + else if (state == 2) + { + DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK); + DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK); + + DrawRectangle(logoPositionX + 240, logoPositionY, 16, rightSideRecHeight, BLACK); + DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, BLACK); + } + else if (state == 3) + { + DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, Fade(BLACK, alpha)); + DrawRectangle(logoPositionX, logoPositionY + 16, 16, leftSideRecHeight - 32, Fade(BLACK, alpha)); + + DrawRectangle(logoPositionX + 240, logoPositionY + 16, 16, rightSideRecHeight - 32, Fade(BLACK, alpha)); + DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, Fade(BLACK, alpha)); + + DrawRectangle(screenWidth/2 - 112, screenHeight/2 - 112, 224, 224, Fade(RAYWHITE, alpha)); + + DrawText(SubText("raylib", 0, lettersCount), screenWidth/2 - 44, screenHeight/2 + 48, 50, Fade(BLACK, alpha)); + } + else if (state == 4) + { + DrawText("[R] REPLAY", 340, 200, 20, GRAY); + } + + EndDrawing(); + //---------------------------------------------------------------------------------- + } + + // De-Initialization + //-------------------------------------------------------------------------------------- + CloseWindow(); // Close window and OpenGL context + //-------------------------------------------------------------------------------------- + + return 0; +}
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