public override void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
BeforeStroke(br, st, painter);
if (st.CrossedASeam())
{
st.uvFrom = st.uvTo;
}
TextureMeta id = painter.TexMeta;
bool alphaBuffer;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, id, st, out alphaBuffer, painter);
RtBrush.localScale = Vector3.one * br.StrokeWidth(id.width, false);
BrushMesh = PainterCamera.BrushMeshGenerator.GetQuad();
RtBrush.localRotation = Quaternion.identity;
RtBrush.localPosition = st.BrushWorldPosition;
TexMGMT.Render();
AfterStroke_Painter(painter, br, st, alphaBuffer, id);
}
public static void Paint(Vector2 uv, BrushConfig br, RenderTexture rt)
{
var stroke = new StrokeVector(uv)
{
firstStroke = false
};
var id = rt.GetTextureMeta();
bool alphaBuffer;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, id, stroke, out alphaBuffer);
float width = br.StrokeWidth(id.width, false);
RtBrush.localScale = Vector3.one;
BrushMesh = PainterCamera.BrushMeshGenerator.GetLongMesh(0, width);
RtBrush.localRotation = Quaternion.Euler(new Vector3(0, 0, Vector2.Angle(Vector2.up, Vector2.zero)));
RtBrush.localPosition = StrokeVector.BrushWorldPositionFrom(stroke.uvTo);
TexMGMT.Render();
AfterStroke_NoPainter(br, alphaBuffer, rt);
}
public override void PaintRenderTexture(PlaytimePainter painter, BrushConfig br, StrokeVector st)
{
BeforeStroke(br, st, painter);
var deltaUv = st.DeltaUv; //uv - st.uvFrom;//.Previous_uv;
var magnitude = deltaUv.magnitude;
var id = painter.TexMeta;
var width = br.Size(false) / id.width * 4;
var trackPortion = (deltaUv.magnitude - width * 0.5f) * 0.25f;
if (!(trackPortion > 0) && !st.MouseUpEvent)
{
return;
}
if (st.firstStroke)
{
previousDirectionLazy = st.previousDelta = deltaUv;
_lazySpeedDynamic = deltaUv.magnitude;
_lazyAngleSmoothed = 0;
// Debug.Log("First stroke");
}
var angle = Mathf.Deg2Rad * Vector2.Angle(st.previousDelta, deltaUv);
var smooth = angle < Mathf.PI * 0.5f;
if (st.CrossedASeam() && (magnitude > previousDirectionLazy.magnitude * 8))
{
// Debug.Log("Crossed a seam");
st.MouseUpEvent = true;
st.uvTo = st.uvFrom; // painter.Previous_uv;
deltaUv = Vector2.zero;
smooth = false;
}
previousDirectionLazy = deltaUv;
if (!st.MouseUpEvent)
{
if (smooth)
{
var clockwise = Vector3.Cross(st.previousDelta, deltaUv).z > 0 ? 1f : -1f;
var sin = Mathf.Sin(angle) * clockwise;
float maxSinus = 8;
_lazyAngleSmoothed = Mathf.Abs(_lazyAngleSmoothed) > Mathf.Abs(sin)
? sin
: Mathf.Lerp(_lazyAngleSmoothed, sin, 0.2f);
sin = _lazyAngleSmoothed;
if ((sin * sin > maxSinus * maxSinus) || ((sin > 0) != (maxSinus > 0)))
{
var absSin = Mathf.Abs(sin);
var absNSin = Mathf.Abs(maxSinus);
if (absSin < absNSin)
{
maxSinus = maxSinus * absSin / absNSin;
}
st.uvTo = st.uvFrom + st.previousDelta.normalized.Rotate_Radians(maxSinus * clockwise) *
trackPortion;
_lazySpeedDynamic = trackPortion;
}
else
{
_lazySpeedDynamic = Mathf.Min(deltaUv.magnitude * 0.5f,
Mathf.Lerp(_lazySpeedDynamic, deltaUv.magnitude * 0.5f, 0.001f));
_lazySpeedDynamic = Mathf.Max(trackPortion, _lazySpeedDynamic);
st.uvTo = st.uvFrom + st.previousDelta.normalized.Rotate_Radians(sin) * _lazySpeedDynamic;
}
}
else
{
_lazySpeedDynamic = deltaUv.magnitude;
_lazyAngleSmoothed = 0;
st.uvTo = st.uvFrom + deltaUv.normalized * trackPortion;
}
}
var r = TexMGMT;
var meshWidth = br.StrokeWidth(id.width, false);
var tf = RtBrush;
var direction = st.DeltaUv;
var isTail = st.firstStroke;
bool alphaBuffer;
if (!isTail && !smooth)
{
var st2 = new StrokeVector(st)
{
firstStroke = false
};
r.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, id, st2, out alphaBuffer, painter);
Vector3 junkPoint = st.uvFrom + st.previousDelta * 0.01f;
BrushMesh = PainterCamera.BrushMeshGenerator.GetStreak(UvToPosition(st.uvFrom),
UvToPosition(junkPoint), meshWidth, true, false);
tf.localScale = Vector3.one;
tf.localRotation = Quaternion.identity;
tf.localPosition = new Vector3(0, 0, 10);
r.Render();
st.uvFrom = junkPoint;
isTail = true;
}
r.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, id, st, out alphaBuffer, painter);
BrushMesh = PainterCamera.BrushMeshGenerator.GetStreak(UvToPosition(st.uvFrom), UvToPosition(st.uvTo),
meshWidth, st.MouseUpEvent, isTail);
tf.localScale = Vector3.one;
tf.localRotation = Quaternion.identity;
tf.localPosition = new Vector3(0, 0, 10);
st.previousDelta = direction;
r.Render();
AfterStroke_Painter(painter, br, st, alphaBuffer, id);
}
public virtual void PaintRenderTexture(TextureMeta textureMeta, BrushConfig br, StrokeVector st, PlaytimePainter painter = null)
{
BeforeStroke(br, st, painter);
if (st.CrossedASeam())
{
st.uvFrom = st.uvTo;
}
bool alphaBuffer;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(br, br.Speed * 0.05f, textureMeta, st, out alphaBuffer, painter);
var rb = RtBrush;
rb.localScale = Vector3.one;
var direction = st.DeltaUv;
var length = direction.magnitude;
BrushMesh = PainterCamera.BrushMeshGenerator.GetLongMesh(length * 256, br.StrokeWidth(textureMeta.width, false));
rb.localRotation = Quaternion.Euler(new Vector3(0, 0,
(direction.x > 0 ? -1 : 1) * Vector2.Angle(Vector2.up, direction)));
rb.localPosition = StrokeVector.BrushWorldPositionFrom((st.uvFrom + st.uvTo) * 0.5f);
TexMGMT.Render();
if (painter)
{
AfterStroke_Painter(painter, br, st, alphaBuffer, textureMeta);
}
else
{
AfterStroke_NoPainter(br, alphaBuffer, textureMeta.CurrentRenderTexture());
}
}
