Added bunnymark example

examples/others/bunnymark.c

@@ -0,0 +1,102 @@
+/*******************************************************************************************
+*
+*   raylib example - Bunnymark
+*
+*   This example has been created using raylib 1.6 (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"
+
+#include <stdlib.h>     // Required for: malloc(), free()
+
+#define MAX_BUNNIES     100000       // 100K bunnies
+
+typedef struct Bunny {
+    Vector2 position;
+    Vector2 speed;
+    Color color;
+} Bunny;
+
+int main()
+{
+    // Initialization
+    //--------------------------------------------------------------------------------------
+    int screenWidth = 1280;
+    int screenHeight = 960;
+
+    InitWindow(screenWidth, screenHeight, "raylib example - Bunnymark");
+    
+    Texture2D texBunny = LoadTexture("resources/wabbit_alpha.png");
+    
+    Bunny *bunnies = (Bunny *)malloc(MAX_BUNNIES*sizeof(Bunny));          // Bunnies array
+    int bunniesCount = 0;    // Bunnies counter
+
+    SetTargetFPS(60);
+    //--------------------------------------------------------------------------------------
+    
+    // Main game loop
+    while (!WindowShouldClose())    // Detect window close button or ESC key
+    {
+        // Update
+        //----------------------------------------------------------------------------------
+        if (IsMouseButtonDown(MOUSE_LEFT_BUTTON))
+        {
+            // Create more bunnies
+            for (int i = 0; i < 100; i++)
+            {
+                bunnies[bunniesCount].position = GetMousePosition();
+                bunnies[bunniesCount].speed.x = (float)GetRandomValue(250, 500)/60.0f;
+                bunnies[bunniesCount].speed.y = (float)(GetRandomValue(250, 500) - 500)/60.0f;
+                bunniesCount++;
+            }
+        }
+        
+        // Update bunnies
+        for (int i = 0; i < bunniesCount; i++)
+        {
+            bunnies[i].position.x += bunnies[i].speed.x;
+            bunnies[i].position.y += bunnies[i].speed.y;
+
+            if ((bunnies[i].position.x > GetScreenWidth()) || (bunnies[i].position.x < 0)) bunnies[i].speed.x *= -1;
+            if ((bunnies[i].position.y > GetScreenHeight()) || (bunnies[i].position.y < 0)) bunnies[i].speed.y *= -1;
+        }
+        //----------------------------------------------------------------------------------
+        
+        // Draw
+        //----------------------------------------------------------------------------------
+        BeginDrawing();
+
+            ClearBackground(RAYWHITE);
+            
+            for (int i = 0; i <= bunniesCount; i++)
+            {
+                // NOTE: When internal QUADS batch limit is reached, a draw call is launched and
+                // batching buffer starts being filled again; before launching the draw call,
+                // updated vertex data from internal buffer is send to GPU... it seems it generates
+                // a stall and consequently a frame drop, limiting number of bunnies drawn at 60 fps
+                DrawTexture(texBunny, bunnies[i].position.x, bunnies[i].position.y, RAYWHITE);
+            }
+            
+            DrawRectangle(0, 0, screenWidth, 40, LIGHTGRAY);
+            DrawText("raylib bunnymark", 10, 10, 20, DARKGRAY);
+            DrawText(FormatText("bunnies: %i", bunniesCount), 400, 10, 20, RED);
+            
+            DrawFPS(260, 10);
+
+        EndDrawing();
+        //----------------------------------------------------------------------------------
+    }
+
+    // De-Initialization
+    //--------------------------------------------------------------------------------------
+    free(bunnies);
+    
+    CloseWindow();        // Close window and OpenGL context
+    //--------------------------------------------------------------------------------------
+
+    return 0;
+}