public override bool PaintRenderTexture(StrokeVector stroke, ImageData image, BrushConfig bc, PlaytimePainter pntr)
{
var vt = pntr.GetVolumeTexture();
if (vt != null)
{
BrushTypeSphere.Inst.BeforeStroke(pntr, bc, stroke);
Shader.SetGlobalVector(VOLUME_POSITION_N_SIZE + "_BRUSH", vt.PosNsize4Shader);
Shader.SetGlobalVector(VOLUME_H_SLICES + "_BRUSH", vt.Slices4Shader);
if (stroke.mouseDwn)
{
stroke.posFrom = stroke.posTo;
}
stroke.useTexcoord2 = false;
TexMGMT.ShaderPrepareStroke(bc, bc.speed * 0.05f, image, stroke, pntr);
stroke.SetWorldPosInShader();
TexMGMT.brushRendy.FullScreenQuad();
TexMGMT.Render();
BrushTypeSphere.Inst.AfterStroke(pntr, bc, stroke);
return(true);
}
return(false);
}
static void PrepareSphereBrush(ImageData id, BrushConfig br, StrokeVector stroke, PlaytimePainter pntr)
{
if (TexMGMT.BigRT_pair == null)
{
TexMGMT.UpdateBuffersState();
}
if (stroke.mouseDwn)
{
stroke.posFrom = stroke.posTo;
}
TexMGMT.ShaderPrepareStroke(br, br.speed * 0.05f, id, stroke, null);
Vector2 offset = id.offset - stroke.unRepeatedUV.Floor();
stroke.SetWorldPosInShader();
Shader.SetGlobalVector(PainterDataAndConfig.BRUSH_EDITED_UV_OFFSET, new Vector4(id.tiling.x, id.tiling.y, offset.x, offset.y));
Shader.SetGlobalVector(PainterDataAndConfig.BRUSH_ATLAS_SECTION_AND_ROWS, new Vector4(0, 0, 1, 0));
}