Function duAppendCircle

3rdparty/recast/DebugDraw.cpp:490–513

}

void duAppendCircle(struct duDebugDraw* dd, const float x, const float y, const float z,
					const float r, unsigned int col)
{
	if (!dd) return;
	static const int NUM_SEG = 40;
	static float dir[40*2];
	static bool init = false;
	if (!init)
	{
		init = true;
		for (int i = 0; i < NUM_SEG; ++i)
		{
			const float a = (float)i/(float)NUM_SEG*DU_PI*2;
			dir[i*2] = cosf(a);
			dir[i*2+1] = sinf(a);
		}
	}
	
	for (int i = 0, j = NUM_SEG-1; i < NUM_SEG; j = i++)
	{
		dd->vertex(x+dir[j*2+0]*r, y, z+dir[j*2+1]*r, col);
		dd->vertex(x+dir[i*2+0]*r, y, z+dir[i*2+1]*r, col);
	}
}

void duAppendCross(struct duDebugDraw* dd, const float x, const float y, const float z,
				   const float s, unsigned int col)