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Slightly improve accuracy of UVtoLocal + 3D brush outline on mesh faces

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JannisX11 2023-07-08 13:42:49 +02:00
parent 2d7d1fbb12
commit 2d73775615
1 changed files with 17 additions and 6 deletions
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23
js/outliner/mesh.js
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@ -236,13 +236,24 @@ class MeshFace extends Face {
}
}
UVToLocal(uv, vertices = this.vertices) {
let p0 = this.uv[vertices[0]];
let p1 = this.uv[vertices[1]];
let p2 = this.uv[vertices[2]];
let vert_a = vertices[0];
let vert_b = vertices[1];
let vert_c = vertices[2];
if (vertices[3]) {
let dist_1 = Math.abs(Math.pow(uv[0] - this.uv[vertices[1]][0], 2) + Math.pow(uv[1] - this.uv[vertices[1]][1], 2));
let dist_2 = Math.abs(Math.pow(uv[0] - this.uv[vertices[3]][0], 2) + Math.pow(uv[1] - this.uv[vertices[3]][1], 2));
if (dist_1 > dist_2) {
vert_b = vertices[2];
vert_c = vertices[3];
}
}
let p0 = this.uv[vert_a];
let p1 = this.uv[vert_b];
let p2 = this.uv[vert_c];
let vertexa = this.mesh.vertices[vertices[0]];
let vertexb = this.mesh.vertices[vertices[1]];
let vertexc = this.mesh.vertices[vertices[2]];
let vertexa = this.mesh.vertices[vert_a];
let vertexb = this.mesh.vertices[vert_b];
let vertexc = this.mesh.vertices[vert_c];
let b0 = (p1[0] - p0[0]) * (p2[1] - p0[1]) - (p2[0] - p0[0]) * (p1[1] - p0[1])
let b1 = ((p1[0] - uv[0]) * (p2[1] - uv[1]) - (p2[0] - uv[0]) * (p1[1] - uv[1])) / b0