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Lightningbeam
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add hard edge simplification

This commit is contained in:
Skyler Lehmkuhl 2024-11-15 05:26:12 -05:00
parent 455e401794
commit d85da1c3a3
1 changed files with 31 additions and 38 deletions
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51
src/main.js
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@ -10,7 +10,7 @@ let canvases = [];
let mode = "draw" let mode = "draw"
let minSegmentSize = 5; let minSegmentSize = 5;
let maxSmoothAngle = 0.2; let maxSmoothAngle = 0.6;
let tools = { let tools = {
select: { select: {
@ -99,34 +99,26 @@ class Shape {
} }
simplify(mode="smooth") { simplify(mode="smooth") {
// Mode can be corners, smooth or auto // Mode can be corners, smooth or auto
// let maxIndex; if (mode=="corners") {
// for (let j=0; j<5; j++) { let angles;
// if (this.curves.length < 3) return; while (this.curves.length > 3) {
// maxIndex = this.curves.length-1; angles = [2*Math.PI]
// for (let i=1; i<maxIndex; i++) { for (let i=1; i<this.curves.length-1; i++) {
// let P1 = this.curves[i] let P1 = this.curves[i]
// let P2 = this.curves[i-1] let P2 = this.curves[i-1]
// let P3 = this.curves[i+1] let P3 = this.curves[i+1]
// let angle = Math.atan2(P3.y - P1.y, P3.x - P1.x) - let angle = Math.atan2(P3.y - P1.y, P3.x - P1.x) -
// Math.atan2(P2.y - P1.y, P2.x - P1.x); Math.atan2(P2.y - P1.y, P2.x - P1.x);
// angle = Math.PI - Math.abs(angle) angles[i] = Math.abs(Math.PI - Math.abs(angle))
// if (Math.abs(angle) < maxSmoothAngle) { }
// if (mode=="corners") { let smallestAngle = Math.min(...angles)
// this.curves.splice(i,1) if (smallestAngle < maxSmoothAngle) {
// } else if (mode=="smooth") { this.curves.splice(angles.indexOf(smallestAngle), 1)
// P3.cp1x = P1.x; } else {
// P3.cp1y = P1.y; break;
// P3.cp2x = P1.x; }
// P3.cp2y = P1.y; }
// this.curves.splice(i,1) } else if (mode=="smooth") {
// }
// i;
// maxIndex--;
// console.log(angle)
// }
// }
// }
let error = 30; let error = 30;
let points = [[this.startx, this.starty]] let points = [[this.startx, this.starty]]
for (let curve of this.curves) { for (let curve of this.curves) {
@ -139,6 +131,7 @@ class Shape {
} }
} }
} }
}
class GraphicsObject { class GraphicsObject {
constructor() { constructor() {