public void Generate(RenderTexture targetRt)
{
GBlendMapGeneratorParams param = GTextureToolParams.Instance.Blend;
RenderTexture bg = new RenderTexture(targetRt);
GCommon.CopyToRT(targetRt, bg);
GCommon.FillTexture(targetRt, Color.black);
for (int i = 0; i < param.Layers.Count; ++i)
{
GBlendLayer l = param.Layers[i];
Mat.SetTexture("_Background", bg);
Mat.SetTexture("_Foreground", l.Texture);
Mat.SetFloat("_Number", l.Number);
Mat.SetVector("_Vector", l.Vector);
Mat.SetInt("_Ops", (int)l.BlendOps);
Mat.SetFloat("_LerpFactor", l.LerpFactor);
Mat.SetTexture("_LerpMask", l.LerpMask);
Mat.SetInt("_Saturate", l.Saturate ? 1 : 0);
GCommon.DrawQuad(targetRt, GCommon.FullRectUvPoints, Mat, (int)l.DataSource);
GCommon.CopyToRT(targetRt, bg);
}
bg.Release();
GUtilities.DestroyObject(bg);
}
private void DrawBlendMapParams()
{
GBlendMapGeneratorParams param = GTextureToolParams.Instance.Blend;
List <GBlendLayer> layers = param.Layers;
for (int i = 0; i < layers.Count; ++i)
{
DrawBlendLayer(layers[i], i);
GEditorCommon.Separator();
}
if (GUILayout.Button("Add Layer"))
{
layers.Add(GBlendLayer.Create());
}
GTextureToolParams.Instance.Blend = param;
}