private void DrawOnTerrain(GStylizedTerrain t)
{
Vector3[] worldCorners = GCommon.GetBrushQuadCorners(transform.position, Radius, 0);
Vector2[] uvCorners = new Vector2[worldCorners.Length];
for (int i = 0; i < uvCorners.Length; ++i)
{
uvCorners[i] = t.WorldPointToUV(worldCorners[i]);
}
Rect dirtyRect = GUtilities.GetRectContainsPoints(uvCorners);
if (!dirtyRect.Overlaps(new Rect(0, 0, 1, 1)))
{
return;
}
RenderTexture rt = t.GetGrassVectorFieldRenderTexture();
Material mat = GInternalMaterials.InteractiveGrassVectorFieldMaterial;
mat.SetFloat("_Opacity", t.TerrainData.Foliage.BendSensitive);
int pass = 0;
GCommon.DrawQuad(rt, uvCorners, mat, pass);
}
