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35 lines
745 B
JavaScript
35 lines
745 B
JavaScript
module.exports = {
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setupQuadratic: function(api) {
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var curve = new api.Bezier(70, 155, 20, 110, 100,75);
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api.setCurve(curve);
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},
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setupCubic: function(api) {
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var curve = new api.Bezier(60,105, 75,30, 215,115, 140,160);
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api.setCurve(curve);
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},
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draw: function(api, curve) {
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api.reset();
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api.drawSkeleton(curve);
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api.drawCurve(curve);
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api.setColor("lightgrey");
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var t, step=0.05, min=-10;
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var pt = curve.get(min - step), pn;
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for (t=min; t<=step; t+=step) {
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pn = curve.get(t);
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api.drawLine(pt, pn);
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pt = pn;
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}
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pt = curve.get(1);
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var max = 10;
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for (t=1+step; t<=max; t+=step) {
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pn = curve.get(t);
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api.drawLine(pt, pn);
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pt = pn;
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}
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}
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};
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