// ------------------------------------------------------------------------
// end: rect
// circle
// ------------------------------------------------------------------------
// draw a circle on the XZ plane centered at origin in object space
public static void DrawCircle(Vector3 center, Quaternion rotation, float radius, int numSegments, Color color, bool depthTest = true, Style style = Style.Wireframe)
{
if (radius < MathUtil.Epsilon)
{
return;
}
Mesh mesh = null;
switch (style)
{
case Style.Wireframe:
mesh = PrimitiveMeshFactory.CircleWireframe(numSegments);
break;
case Style.SolidColor:
mesh = PrimitiveMeshFactory.CircleSolidColor(numSegments);
break;
case Style.FlatShaded:
case Style.SmoothShaded:
mesh = PrimitiveMeshFactory.CircleFlatShaded(numSegments);
break;
}
if (mesh == null)
{
return;
}
Material material = GetMaterial(style, depthTest, false);
MaterialPropertyBlock materialProperties = GetMaterialPropertyBlock();
materialProperties.SetColor("_Color", color);
materialProperties.SetVector("_Dimensions", new Vector4(radius, radius, radius, 0.0f));
materialProperties.SetFloat("_ZBias", (style == Style.Wireframe) ? s_wireframeZBias : 0.0f);
Graphics.DrawMesh(mesh, center, rotation, material, 0, null, 0, materialProperties, false, false, false);
}