protected void PlugIn_CPUblitMethod(Blit_Functions.PaintTexture2DMethod d)
{
tex2DPaintPlugins += d;
BrushType.tex2DPaintPlugins += d;
}
public virtual void PaintToTexture2D(PlaytimePainter pntr, BrushConfig br, StrokeVector st)
{
Vector2 delta_uv = st.uvTo - st.uvFrom;
if (delta_uv.magnitude > (0.2f + st.avgBrushSpeed * 3))
{
delta_uv = Vector2.zero; // This is made to avoid glitch strokes on seams
}
else
{
st.avgBrushSpeed = (st.avgBrushSpeed + delta_uv.magnitude) / 2;
}
float alpha = Mathf.Clamp01(br.speed * (Application.isPlaying ? Time.deltaTime : 0.1f));
bool worldSpace = pntr.NeedsGrid();
var id = pntr.ImgData;
float uvDist = (delta_uv.magnitude * id.width * 8 / br.Size(false));
float worldDist = st.Delta_WorldPos.magnitude;
float steps = (int)Mathf.Max(1, worldSpace ? worldDist : uvDist);
delta_uv /= steps;
Vector3 deltaPos = st.Delta_WorldPos / steps;
st.uvFrom += delta_uv;
st.posFrom += deltaPos;
Blit_Functions.PaintTexture2DMethod pluginBlit = null;
if (pluginBlit == null && tex2DPaintPlugins != null)
{
foreach (Blit_Functions.PaintTexture2DMethod p in tex2DPaintPlugins.GetInvocationList())
{
if (p(st, alpha, id, br, pntr))
{
pluginBlit = p;
break;
}
}
}
if (pluginBlit == null)
{
pluginBlit = Blit_Functions.Paint;
pluginBlit(st, alpha, id, br, pntr);
}
for (float i = 1; i < steps; i++)
{
st.uvFrom += delta_uv;
st.posFrom += deltaPos;
pluginBlit(st, alpha, id, br, pntr);
}
pntr.AfterStroke(st);
}
