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165 líneas
6.0 KiB
165 líneas
6.0 KiB
/*******************************************************************************************
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*
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* raylib [shapes] example - raylib logo animation
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*
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* Example originally created with raylib 2.5, last time updated with raylib 4.0
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*
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* Example licensed under an unmodified zlib/libpng license, which is an OSI-certified,
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* BSD-like license that allows static linking with closed source software
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*
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* Copyright (c) 2014-2024 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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//------------------------------------------------------------------------------------
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// Program main entry point
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//------------------------------------------------------------------------------------
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int main(void)
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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const int screenWidth = 800;
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const int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [shapes] example - raylib logo animation");
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int logoPositionX = screenWidth/2 - 128;
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int logoPositionY = screenHeight/2 - 128;
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int framesCounter = 0;
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int lettersCount = 0;
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int topSideRecWidth = 16;
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int leftSideRecHeight = 16;
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int bottomSideRecWidth = 16;
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int rightSideRecHeight = 16;
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int state = 0; // Tracking animation states (State Machine)
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float alpha = 1.0f; // Useful for fading
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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// Main game loop
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while (!WindowShouldClose()) // Detect window close button or ESC key
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{
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// Update
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//----------------------------------------------------------------------------------
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if (state == 0) // State 0: Small box blinking
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{
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framesCounter++;
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if (framesCounter == 120)
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{
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state = 1;
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framesCounter = 0; // Reset counter... will be used later...
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}
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}
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else if (state == 1) // State 1: Top and left bars growing
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{
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topSideRecWidth += 4;
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leftSideRecHeight += 4;
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if (topSideRecWidth == 256) state = 2;
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}
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else if (state == 2) // State 2: Bottom and right bars growing
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{
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bottomSideRecWidth += 4;
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rightSideRecHeight += 4;
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if (bottomSideRecWidth == 256) state = 3;
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}
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else if (state == 3) // State 3: Letters appearing (one by one)
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{
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framesCounter++;
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if (framesCounter/12) // Every 12 frames, one more letter!
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{
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lettersCount++;
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framesCounter = 0;
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}
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if (lettersCount >= 10) // When all letters have appeared, just fade out everything
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{
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alpha -= 0.02f;
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if (alpha <= 0.0f)
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{
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alpha = 0.0f;
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state = 4;
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}
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}
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}
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else if (state == 4) // State 4: Reset and Replay
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{
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if (IsKeyPressed(KEY_R))
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{
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framesCounter = 0;
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lettersCount = 0;
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topSideRecWidth = 16;
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leftSideRecHeight = 16;
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bottomSideRecWidth = 16;
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rightSideRecHeight = 16;
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alpha = 1.0f;
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state = 0; // Return to State 0
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}
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}
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//----------------------------------------------------------------------------------
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// Draw
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//----------------------------------------------------------------------------------
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BeginDrawing();
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ClearBackground(RAYWHITE);
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if (state == 0)
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{
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if ((framesCounter/15)%2) DrawRectangle(logoPositionX, logoPositionY, 16, 16, BLACK);
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}
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else if (state == 1)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK);
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}
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else if (state == 2)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, BLACK);
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DrawRectangle(logoPositionX, logoPositionY, 16, leftSideRecHeight, BLACK);
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DrawRectangle(logoPositionX + 240, logoPositionY, 16, rightSideRecHeight, BLACK);
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, BLACK);
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}
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else if (state == 3)
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{
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DrawRectangle(logoPositionX, logoPositionY, topSideRecWidth, 16, Fade(BLACK, alpha));
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DrawRectangle(logoPositionX, logoPositionY + 16, 16, leftSideRecHeight - 32, Fade(BLACK, alpha));
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DrawRectangle(logoPositionX + 240, logoPositionY + 16, 16, rightSideRecHeight - 32, Fade(BLACK, alpha));
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DrawRectangle(logoPositionX, logoPositionY + 240, bottomSideRecWidth, 16, Fade(BLACK, alpha));
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DrawRectangle(GetScreenWidth()/2 - 112, GetScreenHeight()/2 - 112, 224, 224, Fade(RAYWHITE, alpha));
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DrawText(TextSubtext("raylib", 0, lettersCount), GetScreenWidth()/2 - 44, GetScreenHeight()/2 + 48, 50, Fade(BLACK, alpha));
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}
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else if (state == 4)
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{
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DrawText("[R] REPLAY", 340, 200, 20, GRAY);
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}
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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// De-Initialization
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//--------------------------------------------------------------------------------------
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CloseWindow(); // Close window and OpenGL context
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//--------------------------------------------------------------------------------------
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return 0;
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}
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