public static void Paint(Vector2 uv, Brush br, RenderTexture rt)
{
var command = new PaintCommand.UV(new Stroke(uv)
{
firstStroke = false
}, rt.GetTextureMeta(), br)
{
strokeAlphaPortion = Mathf.Clamp01(br.Flow * 0.05f)
};
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(command); // br, br.Speed * 0.05f, id, stroke, out alphaBuffer);
float width = br.StrokeWidth(command.TextureData.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 = Stroke.BrushWorldPositionFrom(command.Stroke.uvTo);
TexMGMT.Render();
br.GetBrushType(false).AfterStroke(command);
}
public virtual void PaintRenderTextureUvSpace(PaintCommand.UV command)
{
TextureMeta textureMeta = command.TextureData;
Brush br = command.Brush;
Stroke st = command.Stroke;
BeforeStroke(command);
if (st.CrossedASeam())
{
st.uvFrom = st.uvTo;
}
command.strokeAlphaPortion = Mathf.Clamp01(br.Flow * 0.05f);
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(command);
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 = Stroke.BrushWorldPositionFrom((st.uvFrom + st.uvTo) * 0.5f);
TexMGMT.Render();
AfterStroke(command);
}
public override void PaintRenderTextureUvSpace(PaintCommand.UV command) //PlaytimePainter painter, Brush br, Stroke st)
{
Brush br = command.Brush;
Stroke st = command.Stroke;
BeforeStroke(command);
var id = command.TextureData;
if (st.firstStroke || br.decalContentious)
{
if (br.rotationMethod == RotationMethod.FaceStrokeDirection)
{
var delta = st.uvTo - _previousUv;
var portion = Mathf.Clamp01(delta.magnitude * id.width * 4 / br.Size(false));
var newAngle = Vector2.SignedAngle(Vector2.up, delta) + br.decalAngleModifier;
br.decalAngle = Mathf.LerpAngle(br.decalAngle, newAngle, portion);
_previousUv = st.uvTo;
}
command.strokeAlphaPortion = 1;
TexMGMT.SHADER_STROKE_SEGMENT_UPDATE(command); // br, 1, id, st, out alphaBuffer, command.painter);
var tf = RtBrush;
tf.localScale = Vector3.one * br.Size(false);
tf.localRotation = Quaternion.Euler(new Vector3(0, 0, br.decalAngle));
BrushMesh = PainterCamera.BrushMeshGenerator.GetQuad();
st.uvTo = st.uvTo.To01Space();
var deltaUv = st.DeltaUv;
var uv = st.uvTo;
if (br.rotationMethod == RotationMethod.FaceStrokeDirection && !st.firstStroke)
{
var length = Mathf.Max(deltaUv.magnitude * 2 * id.width / br.Size(false), 1);
var 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 = Stroke.BrushWorldPositionFrom(uv);
TexMGMT.Render();
AfterStroke(command);
}
else
{
command.OnStrokeComplete(); //painter.AfterStroke(st);
}
}