poly2tri type definitions

2026-09-09 11:13:57 +08:00 · 2015-01-07 13:54:31 -02:00
parent 30cfe7dedb
commit 2f0df42903
2 changed files with 205 additions and 0 deletions
@@ -0,0 +1,92 @@
+/// <reference path="../../dist/poly2tri.d.ts" />
+
+function initializeCDT(): poly2tri.SweepContext {
+    var contour = [
+        new poly2tri.Point(100, 100),
+        new poly2tri.Point(100, 300),
+        new poly2tri.Point(300, 300),
+        new poly2tri.Point(300, 100)
+    ];
+
+    var swctx = new poly2tri.SweepContext(contour);
+    return swctx;
+}
+
+function addHole() {
+    var swctx = initializeCDT();
+    var hole = [
+        new poly2tri.Point(200, 200),
+        new poly2tri.Point(200, 250),
+        new poly2tri.Point(250, 250)
+    ];
+    swctx.addHole(hole);
+}
+
+function addHoles() {
+    var swctx = initializeCDT();
+    var hole1 = [
+        new poly2tri.Point(200, 200),
+        new poly2tri.Point(200, 250),
+        new poly2tri.Point(250, 250)
+    ];
+
+    var hole2 = [
+        new poly2tri.Point(110, 110),
+        new poly2tri.Point(110, 120),
+        new poly2tri.Point(120, 120)
+    ];
+
+    swctx.addHoles([hole1, hole2]);
+}
+
+function addPoint() {
+    var swctx = initializeCDT();
+    var point = new poly2tri.Point(150, 150);
+    swctx.addPoint(point);
+}
+
+function addPoints() {
+    var swctx = initializeCDT();
+    var point1 = new poly2tri.Point(150, 150);
+    var point2 = new poly2tri.Point(155, 155);
+    swctx.addPoints([point1, point2]);
+    swctx.addPoints([{x: 110, y: 120}]);
+}
+
+function triangulate() {
+    var swctx = initializeCDT();
+    swctx.triangulate();
+    var triangles = swctx.getTriangles();
+
+    triangles.forEach(t => {
+        t.getPoints().forEach(p => {
+            console.log(p.x, p.y);
+        });
+        var p1 = t.getPoint(0);
+        var p2 = t.getPoint(1);
+        var p3 = t.getPoint(2);
+    });
+}
+
+function chaining() {
+    var swctx = initializeCDT();
+
+    var hole1 = [
+        new poly2tri.Point(200, 200),
+        new poly2tri.Point(200, 250),
+        new poly2tri.Point(250, 250)
+    ];
+
+    var hole2 = [
+        new poly2tri.Point(110, 110),
+        new poly2tri.Point(110, 120),
+        new poly2tri.Point(120, 120)
+    ];
+
+    var holes = [hole1, hole2];
+    var point1 = new poly2tri.Point(150, 150);
+    var point2 = new poly2tri.Point(155, 155);
+    var points = [point1, point2, { x: 153, y: 153 }];
+
+    var triangles = swctx.addHoles(holes).addPoints(points).triangulate().getTriangles();
+}