void PaintFixedParticles(Rect r, bool _fix)
{
FlexAsset asset = target as FlexAsset;
if (asset)
{
Vector2 rectPoint = Event.current.mousePosition - r.min;
Vector2 viewPoint = new Vector2(2.0f * rectPoint.x / r.width - 1.0f, 1.0f - 2.0f * rectPoint.y / r.height);
Camera cam = m_previewRender.camera;
float tanFOV = Mathf.Tan(cam.fieldOfView * Mathf.Deg2Rad * 0.5f);
Vector3 camPoint = new Vector3(viewPoint.x * tanFOV * r.width / r.height, viewPoint.y * tanFOV, 1.0f) * cam.nearClipPlane;
Ray mouseRay = new Ray(cam.transform.position, (cam.transform.TransformPoint(camPoint) - cam.transform.position).normalized);
//Bounds bounds = asset.referenceMesh.bounds;
//bounds.size = new Vector3(bounds.size.x * asset.meshLocalScale.x, bounds.size.y * asset.meshLocalScale.y, bounds.size.z * asset.meshLocalScale.z);
//float radius = 0.1f;// bounds.size.magnitude * 0.5f * 0.03f;
int node = FlexUtils.PickParticle(mouseRay, asset.particles, m_paintParticleRadius);
if (node != -1)
{
if (asset.FixedParticle(node, _fix))
{
asset.Rebuild();
ReleaseBuffers();
}
Event.current.Use();
GUI.changed = true;
EditorUtility.SetDirty(target);
HandleUtility.Repaint();
}
}
}
public int PickParticle(Vector3 _origin, Vector3 _direction)
{
return(FlexUtils.PickParticle(ref _origin, ref _direction, particleData.particles, particleData.phases, container.maxParticles, container.solidRest * 0.5f));
}