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99 строки
3.8 KiB
99 строки
3.8 KiB
/*******************************************************************************************
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*
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* raylib [textures] example - Texture loading and drawing a part defined by a rectangle
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*
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* This example has been created using raylib 1.3 (www.raylib.com)
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* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
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*
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* Copyright (c) 2014 Ramon Santamaria (@raysan5)
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*
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********************************************************************************************/
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#include "raylib.h"
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#define MAX_FRAME_SPEED 15
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#define MIN_FRAME_SPEED 1
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int main()
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{
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// Initialization
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//--------------------------------------------------------------------------------------
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int screenWidth = 800;
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int screenHeight = 450;
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InitWindow(screenWidth, screenHeight, "raylib [texture] example - texture rectangle");
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// NOTE: Textures MUST be loaded after Window initialization (OpenGL context is required)
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Texture2D scarfy = LoadTexture("resources/scarfy.png"); // Texture loading
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Vector2 position = { 350.0f, 280.0f };
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Rectangle frameRec = { 0, 0, scarfy.width/6, scarfy.height };
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int currentFrame = 0;
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int framesCounter = 0;
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int framesSpeed = 8; // Number of spritesheet frames shown by second
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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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framesCounter++;
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if (framesCounter >= (60/framesSpeed))
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{
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framesCounter = 0;
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currentFrame++;
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if (currentFrame > 5) currentFrame = 0;
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frameRec.x = currentFrame*scarfy.width/6;
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}
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if (IsKeyPressed(KEY_RIGHT)) framesSpeed++;
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else if (IsKeyPressed(KEY_LEFT)) framesSpeed--;
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if (framesSpeed > MAX_FRAME_SPEED) framesSpeed = MAX_FRAME_SPEED;
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else if (framesSpeed < MIN_FRAME_SPEED) framesSpeed = MIN_FRAME_SPEED;
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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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DrawTexture(scarfy, 15, 40, WHITE);
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DrawRectangleLines(15, 40, scarfy.width, scarfy.height, LIME);
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DrawRectangleLines(15 + frameRec.x, 40 + frameRec.y, frameRec.width, frameRec.height, RED);
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DrawText("FRAME SPEED: ", 165, 210, 10, DARKGRAY);
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DrawText(FormatText("%02i FPS", framesSpeed), 575, 210, 10, DARKGRAY);
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DrawText("PRESS RIGHT/LEFT KEYS to CHANGE SPEED!", 290, 240, 10, DARKGRAY);
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for (int i = 0; i < MAX_FRAME_SPEED; i++)
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{
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if (i < framesSpeed) DrawRectangle(250 + 21*i, 205, 20, 20, RED);
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DrawRectangleLines(250 + 21*i, 205, 20, 20, MAROON);
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}
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DrawTextureRec(scarfy, frameRec, position, WHITE); // Draw part of the texture
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DrawText("(c) Scarfy sprite by Eiden Marsal", screenWidth - 200, screenHeight - 20, 10, GRAY);
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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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UnloadTexture(scarfy); // Texture unloading
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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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