coupling-function.js

/* --- title: Coupling Function categories: binding files: ../point_src/core/head.js ../point_src/pointpen.js ../point_src/pointdraw.js ../point_src/point-content.js ../point_src/pointlist.js ../point_src/point.js ../point_src/events.js ../point_src/automouse.js ../point_src/distances.js ../point_src/dragging.js ../point_src/functions/clamp.js ../point_src/stage.js ../point_src/coupling.js --- In this example. The node A and B locked _rotation_ to the location of C. a.rotation -> [coupled to] -> b.location a.rotation <- [coupled to] <- b.location */ class MainStage extends Stage { canvas='playspace' mounted(){ let a = this.a = new Point({x:200,y:200, radius: 50}) let looky = this.c = new Point({x:400,y:200, radius: 10}) this.dragging.add(a, looky) // The looky point should _loosely_ follow A. // looky should follow A, // and looky should release when manipulated // e.g. A drag control point } draw(ctx){ this.clear(ctx) this.a.pen.indicator(ctx, { color:'#ddd'}) this.c.pen.indicator(ctx) } } ;stage = MainStage.go();