private void Start()
{
if (SelectableMesh == null)
{
SelectableMesh = new Mesh();
}
if (_SelectableMeshBorder == null)
{
_SelectableMeshBorder = new BorderPointSet[0];
}
Border = GetComponent <BorderRenderer>();
Border.Points = SelectableMeshBorder;
AlphaShaderID = Shader.PropertyToID("_Alpha");
if (_GroundMaterialSource != null)
{
GroundMaterial = new Material(_GroundMaterialSource);
}
if (GroundAlpha != LastGroundAlpha && GroundMaterial != null)
{
GroundMaterial.SetFloat(AlphaShaderID, GroundAlpha);
LastGroundAlpha = GroundAlpha;
}
#if UNITY_EDITOR
SceneView.RepaintAll();
#endif
}
void Update()
{
// We have to detect changes this way instead of using properties because
// we want to be able to animate the alpha value with a Unity animator.
if (GroundAlpha != LastGroundAlpha && GroundMaterial != null)
{
GroundMaterial.SetFloat(AlphaShaderID, GroundAlpha);
LastGroundAlpha = GroundAlpha;
}
}