mirror of https://github.com/mode777/rayjs.git
92 lines
2.9 KiB
JavaScript
92 lines
2.9 KiB
JavaScript
// Optimized Bunnymark — Float32Array, no GC pressure
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// Initialization
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const screenWidth = 800;
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const screenHeight = 450;
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const MAX_BUNNIES = 50000;
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const BUNNY_STRIDE = 8; // x, y, sx, sy, r, g, b, a
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setConfigFlags(FLAG_MSAA_4X_HINT);
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initWindow(screenWidth, screenHeight, "raylib bunnymark [OPTIMIZED]");
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// Load bunny texture once
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const texBunny = loadTexture("resources/wabbit_alpha.png");
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const texW = texBunny.width;
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const texH = texBunny.height;
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// Flat Float32Array — no JS object overhead, no GC
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const bunny = new Float32Array(MAX_BUNNIES * BUNNY_STRIDE);
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let count = 0;
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// Pre-allocate Color struct for drawing (reuse, no allocation per frame)
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const drawColor = new Color(255, 255, 255, 255);
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// Cache screen size
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let width = screenWidth;
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let height = screenHeight;
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// Frame timing
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let prevTime = getTime();
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setTargetFPS(60);
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// Main loop
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while (!windowShouldClose()) {
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// === SPAWN ===
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if (isMouseButtonDown(MOUSE_BUTTON_LEFT)) {
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const mx = getMouseX();
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const my = getMouseY();
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const limit = Math.min(count + 100, MAX_BUNNIES);
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for (let i = count; i < limit; i++) {
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const off = i * BUNNY_STRIDE;
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bunny[off] = mx; // x
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bunny[off + 1] = my; // y
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bunny[off + 2] = getRandomValue(-250, 250) / 60.0; // sx
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bunny[off + 3] = getRandomValue(-250, 250) / 60.0; // sy
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bunny[off + 4] = getRandomValue(50, 240); // r
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bunny[off + 5] = getRandomValue(80, 240); // g
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bunny[off + 6] = getRandomValue(100, 240); // b
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bunny[off + 7] = 255; // a
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}
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count = limit;
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}
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// === UPDATE ===
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const hw = texW / 2;
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const hh = texH / 2;
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for (let i = 0; i < count; i++) {
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const off = i * BUNNY_STRIDE;
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bunny[off] += bunny[off + 2]; // x += sx
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bunny[off + 1] += bunny[off + 3]; // y += sy
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if ((bunny[off] + hw) > width || (bunny[off] + hw) < 0)
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bunny[off + 2] *= -1; // sx
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if ((bunny[off + 1] + hh) > height || (bunny[off + 1] + hh - 40) < 0)
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bunny[off + 3] *= -1; // sy
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}
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// === DRAW ===
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beginDrawing();
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clearBackground(RAYWHITE);
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// Batch draw — reuse Color object, only update fields
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for (let i = 0; i < count; i++) {
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const off = i * BUNNY_STRIDE;
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drawColor.r = bunny[off + 4];
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drawColor.g = bunny[off + 5];
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drawColor.b = bunny[off + 6];
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drawColor.a = bunny[off + 7];
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drawTexture(texBunny, bunny[off], bunny[off + 1], drawColor);
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}
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// HUD
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drawRectangle(0, 0, screenWidth, 40, BLACK);
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const fps = getFPS();
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drawText(`bunnies: ${count} fps: ${fps}`, 120, 10, 20, GREEN);
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drawText(`batched draws: ${1 + Math.floor(count / 8192)}`, 320, 10, 20, MAROON);
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endDrawing();
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}
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// Cleanup
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unloadTexture(texBunny);
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closeWindow(); |