void LerpFunc(PaintJob j, int idx, ref object val, float r)
{
if (didHit && j.stream.gameObject != target && target != null)
{
// convert from world space to local space
Vector3 norm = j.stream.GetSafeNormal(idx);
Vector4 tang = j.stream.GetSafeTangent(idx);
var mtx = j.stream.transform.worldToLocalMatrix;
var t = tangent;
t = mtx.MultiplyVector(tangent);
t.w = tangent.w;
j.stream.normals[idx] = Vector3.Lerp(norm, mtx.MultiplyVector(norm), r);
j.stream.tangents[idx] = Vector4.Lerp(tang, t, r);
}
if (didHit && terrainTarget != null)
{
// retrieve our brush data and get the stream we're painting into
Vector3 n = j.stream.normals[idx];
Vector4 t = j.stream.tangents[idx];
Vector3 pos = j.GetPosition(idx);
Vector3 iNormal = terrainTarget.terrainData.GetInterpolatedNormal(pos.x, pos.z);
iNormal = j.stream.transform.InverseTransformDirection(iNormal);
j.stream.normals[idx] = Vector3.Lerp(n, iNormal, r);
Vector3 tangentXYZ = Vector3.Cross(j.stream.normals[idx], new Vector3(0, 0, 1));
Vector4 tangent = new Vector4(tangentXYZ.x, tangentXYZ.y, tangentXYZ.z, -1);
j.stream.tangents[idx] = Vector4.Lerp(t, tangent, r);
}
}
// this is the delegate we're going to return to apply a brush stamp. Your passed a paint job,
// which contains important cached information to make painting fast, and hold the actual stream data.
// the index is the index into the vertex array, the val is the brush data we supplied in GetBrushObject,
// and r is a 0 to 1 with how far to tween the value towards the brush (brush pressure * deltatime)
void LerpFunc(PaintJob j, int idx, ref object val, float r)
{
// retrieve our brush data and get the stream we're painting into
BrushData bd = val as BrushData;
var s = j.stream;
// use our vertex position to generate noise. We use the get position function because it will
// return a vert position from the original meshes cached verticies or modified verticies if
// we've modified them. This makes it compatible with deformations, etc.
Vector3 pos = j.GetPosition(idx);
// convert into world space
pos = j.renderer.localToWorldMatrix.MultiplyPoint(pos);
// scale by frequency
pos.x *= bd.frequency;
pos.y *= bd.frequency;
pos.z *= bd.frequency;
float noise = 0.5f * (0.5f * JBooth.VertexPainterPro.SimplexNoise.Noise.Generate(pos.x, pos.y, pos.z) + 0.5f);
noise += 0.25f * (0.5f * JBooth.VertexPainterPro.SimplexNoise.Noise.Generate(pos.y * 2.031f, pos.z * 2.031f, pos.x * 2.031f) + 0.5f);
noise += 0.25f * (0.5f * JBooth.VertexPainterPro.SimplexNoise.Noise.Generate(pos.z * 4.01f, pos.x * 4.01f, pos.y * 4.01f) + 0.5f);
noise *= bd.amplitude;
// lerp the noise in
Color c = s.colors[idx];
c.r = Mathf.Lerp(c.r, noise, r);
c.g = Mathf.Lerp(c.g, noise, r);
c.b = Mathf.Lerp(c.b, noise, r);
s.colors[idx] = c;
}
// this is the delegate we're going to return to apply a brush stamp. Your passed a paint job,
// which contains important cached information to make painting fast, and hold the actual stream data.
// the index is the index into the vertex array, the val is the brush data we supplied in GetBrushObject,
// and r is a 0 to 1 with how far to tween the value towards the brush (brush pressure * deltatime)
void LerpFunc(PaintJob j, int idx, ref object val, float r)
{
// retrieve our brush data and get the stream we're painting into
BrushData bd = val as BrushData;
var s = j.stream;
// use our vertex position to generate noise. We use the get position function because it will
// return a vert position from the original meshes cached verticies or modified verticies if
// we've modified them. This makes it compatible with deformations, etc.
Vector3 pos = j.GetPosition(idx);
// convert into world space
pos = j.renderer.localToWorldMatrix.MultiplyPoint(pos);
// scale by frequency
pos.x *= bd.frequency;
pos.y *= bd.frequency;
pos.z *= bd.frequency;
float noise = 0.5f * (0.5f * JBooth.VertexPainterPro.SimplexNoise.Noise.Generate(pos.x, pos.y, pos.z) + 0.5f);
noise += 0.25f * (0.5f * JBooth.VertexPainterPro.SimplexNoise.Noise.Generate(pos.y * 2.031f, pos.z * 2.031f, pos.x * 2.031f) + 0.5f);
noise += 0.25f * (0.5f * JBooth.VertexPainterPro.SimplexNoise.Noise.Generate(pos.z * 4.01f, pos.x * 4.01f, pos.y * 4.01f) + 0.5f);
noise *= bd.amplitude;
// lerp the noise in
Color c = s.colors[idx];
c.r = Mathf.Lerp(c.r, noise, r);
c.g = Mathf.Lerp(c.g, noise, r);
c.b = Mathf.Lerp(c.b, noise, r);
s.colors[idx] = c;
}