mirror of
https://github.com/Pomax/BezierInfo-2.git
synced 2025-08-29 19:20:39 +02:00
control mousemoves
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@@ -42,12 +42,40 @@ var Control = React.createClass({
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if (!!label) api.text(label, where);
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},
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drawLerpBox: function(api, dim, pad, p) {
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api.noColor();
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api.setFill("rgba(0,0,100,0.2)");
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var p1 = {x: p.x-5, y:pad},
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p2 = {x:p.x + 5, y:dim};
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api.drawRect(p1, p2);
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api.setColor("black");
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},
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drawLerpPoint: function(api, tf, pad, fwh, p) {
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p.y = pad + tf*fwh;
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api.drawCircle(p, 3)
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api.setFill("black");
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api.text(((tf*10000)|0)/100 + "%", {x:p.x+10, y:p.y+4});
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api.noFill();
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},
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drawQuadraticLerp: function(api) {
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api.reset();
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var dim = api.getPanelWidth(),
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pad = 20,
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fwh = dim - pad*2;
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this.drawGraphBasics(api, dim, pad, fwh);
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var p = api.hover;
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if (p && p.x >= pad && p.x <= dim-pad) {
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this.drawLerpBox(api, dim, pad, p);
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var t = (p.x-pad)/fwh, tf;
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this.drawLerpPoint(api, (1-t)*(1-t), pad, fwh, p);
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this.drawLerpPoint(api, 2*(1-t)*(t), pad, fwh, p);
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this.drawLerpPoint(api, (t)*(t), pad, fwh, p);
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}
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this.drawFunction(api, "first term", {x: pad*2, y: fwh}, function(t) {
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return {
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x: pad + t * fwh,
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@@ -69,11 +97,23 @@ var Control = React.createClass({
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},
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drawCubicLerp: function(api) {
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api.reset();
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var dim = api.getPanelWidth(),
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pad = 20,
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fwh = dim - pad*2;
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this.drawGraphBasics(api, dim, pad, fwh);
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var p = api.hover;
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if (p && p.x >= pad && p.x <= dim-pad) {
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this.drawLerpBox(api, dim, pad, p);
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var t = (p.x-pad)/fwh, tf;
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this.drawLerpPoint(api, (1-t)*(1-t)*(1-t), pad, fwh, p);
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this.drawLerpPoint(api, 2*(1-t)*(1-t)*(t), pad, fwh, p);
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this.drawLerpPoint(api, 3*(1-t)*(t)*(t), pad, fwh, p);
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this.drawLerpPoint(api, (t)*(t)*(t), pad, fwh, p);
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}
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this.drawFunction(api, "first term", {x: pad*2, y: fwh}, function(t) {
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return {
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x: pad + t * fwh,
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@@ -101,12 +141,24 @@ var Control = React.createClass({
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},
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draw15thLerp: function(api) {
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api.reset();
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var dim = api.getPanelWidth(),
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pad = 20,
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fwh = dim - pad*2;
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this.drawGraphBasics(api, dim, pad, fwh);
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var factor = [1,15,105,455,1365,3003,5005,6435,6435,5005,3003,1365,455,105,15,1]
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var factors = [1,15,105,455,1365,3003,5005,6435,6435,5005,3003,1365,455,105,15,1]
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var p = api.hover;
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if (p && p.x >= pad && p.x <= dim-pad) {
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this.drawLerpBox(api, dim, pad, p);
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for(var n=0; n<=15; n++) {
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var t = (p.x-pad)/fwh,
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tf = factors[n] * Math.pow(1-t, 15-n) * Math.pow(t, n);
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this.drawLerpPoint(api, tf, pad, fwh, p);
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}
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}
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for(var n=0; n<=15; n++) {
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var label = false, position = false;
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@@ -121,7 +173,7 @@ var Control = React.createClass({
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this.drawFunction(api, label, position, function(t) {
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return {
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x: pad + t * fwh,
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y: pad + fwh * factor[n] * Math.pow(1-t, 15-n) * Math.pow(t, n)
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y: pad + fwh * factors[n] * Math.pow(1-t, 15-n) * Math.pow(t, n)
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};
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});
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}
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