Create Beginners_-_Sprite_Rotation.c

Beginners_-_Sprite_Rotation.c

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+
+#include "raylib.h"
+
+
+int main(void)
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    const int screenWidth = 800;
+    const int screenHeight = 450;
+
+    InitWindow(screenWidth, screenHeight, "raylib example.");
+
+
+
+ 
+     // Create a Image in memory
+    RenderTexture2D target = LoadRenderTexture(32, 32);
+    
+    int sprite[8][8] = {{1,1,1,1,0,0,0,0},
+                        {0,1,1,1,0,0,0,0},
+                        {0,0,1,1,1,2,2,2},
+                        {0,0,0,1,1,2,2,2},
+                        {0,0,0,1,1,2,2,2},
+                        {1,1,1,1,1,2,2,2},
+                        {0,0,1,1,1,2,2,2},
+                        {0,0,0,0,0,2,2,2}};
+    
+    // Clear our texture(image) before entering the game loop
+    BeginTextureMode(target);    
+    ClearBackground(BLANK); // Make the entire Sprite Transparent.
+    EndTextureMode(); 
+    // Draw something on it.
+    for (int y=0;y<8;y++)
+    {
+        for (int x=0;x<8; x++)
+        {            
+            // Our sprite color 1
+            if (sprite[y][x]==1)
+            {
+                BeginTextureMode(target);    
+                DrawRectangle(x*4,y*4,4,4,RED);
+                EndTextureMode(); 
+            }
+            // Our sprite color 2
+            if (sprite[y][x]==2)
+            {
+                BeginTextureMode(target);    
+                DrawRectangle(x*4,y*4,4,8,BLACK);
+                EndTextureMode(); 
+            }            
+        }
+    }
+
+    // Source rectangle (part of the texture to use for drawing)
+    Rectangle sourceRec = { 0.0f, 0.0f, 32, 32 };
+    // Origin of the texture (rotation/scale point), it's relative to destination rectangle size
+    Vector2 origin = { 32, 32 }; 
+ 
+    float rotation=0.0f;
+    
+ 
+    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
+        //----------------------------------------------------------------------------------
+        rotation+=1;
+        if(rotation>359)rotation=0;
+        //----------------------------------------------------------------------------------
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+
+            DrawText("Sprite Creation and Rotation.", 100, 180, 40, LIGHTGRAY);
+
+            DrawTexturePro(target.texture, sourceRec, (Rectangle){ GetMouseX(), GetMouseY(), 32*2, 32*2 }, origin, (float)rotation, WHITE);
+ 
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    UnloadRenderTexture(target);    // Unload render texture    
+    //--------------------------------------------------------------------------------------
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+
+
+}