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approach to arc

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This commit is contained in:
Val Erastov 2014-10-04 12:08:34 -07:00
parent 02af7c1622
commit a92d69fb0f
1 changed files with 44 additions and 0 deletions
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44
web/app/canvas.js
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@ -389,6 +389,50 @@ TCAD.TWO.Segment.prototype.drawImpl = function(ctx, scale) {
ctx.stroke();
};
TCAD.TWO.Arc = function(a, b, c) {
TCAD.TWO.SketchObject.call(this);
this.a = a;
this.b = b;
this.c = c;
a.parent = this;
b.parent = this;
c.parent = this;
};
TCAD.TWO.utils.extend(TCAD.TWO.Arc, TCAD.TWO.SketchObject);
TCAD.TWO.Arc.prototype._class = 'TCAD.TWO.Arc';
TCAD.TWO.Arc.prototype.collectParams = function(params) {
this.a.collectParams(params);
this.b.collectParams(params);
this.c.collectParams(params);
};
TCAD.TWO.Arc.prototype.draw = function(ctx, scale) {
TCAD.TWO.SketchObject.prototype.draw.call(this, ctx, scale);
this.a.draw(ctx, scale);
this.b.draw(ctx, scale);
this.c.draw(ctx, scale);
};
TCAD.TWO.Arc.prototype.translateImpl = function(dx, dy) {
this.a.translate(dx, dy);
this.b.translate(dx, dy);
this.c.translate(dx, dy);
};
TCAD.TWO.Arc.prototype.drawImpl = function(ctx, scale) {
ctx.beginPath();
ctx.moveTo(this.a.x, this.a.y);
ctx.lineTo(this.b.x, this.b.y);
// ctx.arc(c.x, c.y, ,0,2*Math.PI);
ctx.stroke();
};
TCAD.TWO.Point = function(x, y, rad) {
this.x = x;
this.y = y;