public override void PrePaint(PlaytimePainter pntr, BrushConfig br, StrokeVector st)
{
var v4 = new Vector4(st.unRepeatedUV.x, st.unRepeatedUV.y, Mathf.Floor(st.unRepeatedUV.x), Mathf.Floor(st.unRepeatedUV.y));
Shader.SetGlobalVector("_brushPointedUV_Untiled", v4);
if (st.firstStroke)
{
if (method == (ColorSetMethod.MDownColor))
{
if (pntr)
{
pntr.SampleTexture(st.uvTo);
FromColor(br, st.unRepeatedUV);
}
}
else
if (method == (ColorSetMethod.MDownPosition))
{
FromUV(st.uvTo);
}
Shader.SetGlobalVector(PainterDataAndConfig.BRUSH_SAMPLING_DISPLACEMENT, new Vector4(
((float)currentPixel.x + 0.5f) / ((float)Cfg.samplingMaskSize.x),
((float)currentPixel.y + 0.5f) / ((float)Cfg.samplingMaskSize.y),
Cfg.samplingMaskSize.x, Cfg.samplingMaskSize.y));
}
}