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95 行
3.1 KiB
95 行
3.1 KiB
/*******************************************************************************************
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*
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* raylib [shapes] example - Draw Textured Polygon
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*
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* This example has been created using raylib 99.98 (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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* Copyright (c) 2021 Chris Camacho (codifies - bedroomcoders.co.uk)
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*
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********************************************************************************************/
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#include "raylib.h"
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#include "raymath.h"
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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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int numPnts = 11; // 10 points and back to the start
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Vector2 tPnts[] = {
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(Vector2){.75, 0},
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(Vector2){.25, 0},
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(Vector2){0, .5},
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(Vector2){0, .75},
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(Vector2){.25, 1},
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(Vector2){.375, .875},
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(Vector2){.625, .875},
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(Vector2){.75, 1},
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(Vector2){1, .75},
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(Vector2){1, .5},
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(Vector2){.75, 0} // close the poly
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};
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Vector2 pnts[numPnts];
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// create the poly coords from the UV's
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// you don't have to do this you can specify
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// them however you want
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for (int i=0; i < numPnts; i++)
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{
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pnts[i].x = (tPnts[i].x - 0.5) * 256.0;
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pnts[i].y = (tPnts[i].y - 0.5) * 256.0;
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}
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InitWindow(screenWidth, screenHeight, "raylib [textures] example - Textured Polygon");
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Texture tex = LoadTexture("resources/cat.png");
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SetTargetFPS(60); // Set our game to run at 60 frames-per-second
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//--------------------------------------------------------------------------------------
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float ang = 0;
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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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// Update your variables here
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//----------------------------------------------------------------------------------
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ang++;
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Vector2 dPnts[numPnts];
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for (int i = 0; i < numPnts; i++)
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{
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dPnts[i] = Vector2Rotate(pnts[i], ang);
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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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DrawText("Textured Polygon", 20, 20, 20, DARKGRAY);
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DrawTexturePoly(tex, screenWidth/2, screenHeight/2,
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dPnts, tPnts, numPnts, WHITE);
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EndDrawing();
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//----------------------------------------------------------------------------------
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}
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UnloadTexture(tex);
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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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