What in sam hill

gistfile1.java

    public void setColor (float r, float g, float b, float a) {
		int intBits = ((int)(255 * a) << 24) | ((int)(255 * b) << 16) | ((int)(255 * g) << 8) | ((int)(255 * r));
		float color = NumberUtils.intToFloatColor(intBits);
		if (color == this.color) return;
		this.color = color;
		float[] vertices = this.vertices;
		for (int i = 2, n = idx; i < n; i += 5)
			vertices[i] = color;
	}