public virtual void AfterStroke(PlaytimePainter pntr, BrushConfig br, StrokeVector st)
{
pntr.AfterStroke(st);
if (!br.IsSingleBufferBrush() && !br.IsA3Dbrush(pntr))
{
TexMGMT.UpdateBufferSegment();
}
if ((br.useMask) && (st.mouseUp) && (br.randomMaskOffset))
{
br.maskOffset = new Vector2(UnityEngine.Random.Range(0f, 1f), UnityEngine.Random.Range(0f, 1f));
}
foreach (var p in pntr.plugins)
{
p.AfterGPUStroke(pntr, br, st, this);
}
}
public override void PaintRenderTexture(PlaytimePainter pntr, BrushConfig br, StrokeVector st)
{
BeforeStroke(pntr, br, st);
ImageData id = pntr.ImgData;
if ((st.firstStroke) || (br.decalContinious))
{
if (br.decalRotationMethod == DecalRotationMethod.StrokeDirection)
{
Vector2 delta = st.uvTo - previousUV;
// if ((st.firstStroke) || (delta.magnitude*id.width > br.Size(false)*0.25f)) {
float portion = Mathf.Clamp01(delta.magnitude * id.width * 4 / br.Size(false));
float newAngle = Vector2.SignedAngle(Vector2.up, delta) + br.decalAngleModifier;
br.decalAngle = Mathf.LerpAngle(br.decalAngle, newAngle, portion);
previousUV = st.uvTo;
//}
}
if (TexMGMT.BigRT_pair == null)
{
TexMGMT.UpdateBuffersState();
}
TexMGMT.ShaderPrepareStroke(br, 1, id, st, pntr);
Transform tf = Rtbrush;
tf.localScale = Vector3.one * br.Size(false);
tf.localRotation = Quaternion.Euler(new Vector3(0, 0, br.decalAngle));
BrushMesh = brushMeshGenerator.inst().GetQuad();
st.uvTo = st.uvTo.To01Space();
Vector2 deltauv = st.Delta_uv;
/*
*
* int strokes = Mathf.Max(1, (br.decalContinious && (!st.firstStroke)) ? (int)(deltauv.magnitude*id.width/br.Size(false)) : 1);
*
* deltauv /= strokes;
*
* for (int i = 0; i < strokes; i++) {
* st.uvFrom += deltauv;*/
Vector2 uv = st.uvTo;
if ((br.decalRotationMethod == DecalRotationMethod.StrokeDirection) && (!st.firstStroke))
{
float length = Mathf.Max(deltauv.magnitude * 2 * id.width / br.Size(false), 1);
Vector3 scale = tf.localScale;
if ((Mathf.Abs(Mathf.Abs(br.decalAngleModifier) - 90)) < 40)
{
scale.x *= length;
}
else
{
scale.y *= length;
}
tf.localScale = scale;
uv -= deltauv * ((length - 1) * 0.5f / length);
}
tf.localPosition = StrokeVector.BrushWorldPositionFrom(uv);
TexMGMT.Render();
AfterStroke(pntr, br, st);
}
else
{
pntr.AfterStroke(st);
}
}
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);
}