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add radius equal constraint

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This commit is contained in:
Val Erastov 2014-10-10 01:09:25 -07:00
parent 5c144c0aff
commit 79e428d749
4 changed files with 77 additions and 50 deletions
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60
web/app/fetchers.js Normal file
View file

@ -0,0 +1,60 @@
TCAD.TWO.ParametricManager.prototype._fetchTwoPoints = function(objs) {
var points = [];
for (var i = 0; i < objs.length; ++i) {
if (objs[i]._class == 'TCAD.TWO.EndPoint') {
points.push(objs[i]);
} else if (objs[i]._class == 'TCAD.TWO.Segment') {
points.push(objs[i].a);
points.push(objs[i].b);
}
}
if (points.length < 2) {
throw "Illegal Argument. Constraint requires 2 points or 1 line."
}
return points;
};
TCAD.TWO.ParametricManager.prototype._fetchTwoOrMoreArcs = function(objs) {
var arcs = [];
for (var i = 0; i < objs.length; ++i) {
if (objs[i]._class == 'TCAD.TWO.Arc') {
arcs.push(objs[i]);
}
}
if (arcs.length < 2) {
throw "Illegal Argument. Constraint requires ata least 2 arcs."
}
return arcs;
};
TCAD.TWO.ParametricManager.prototype._fetchPointAndLine = function(objs) {
var point = null;
var line = null;
for (var i = 0; i < objs.length; ++i) {
if (objs[i]._class == 'TCAD.TWO.EndPoint') {
point = objs[i];
} else if (objs[i]._class == 'TCAD.TWO.Segment') {
line = objs[i];
}
}
if (point == null || line == null) {
throw "Illegal Argument. Constraint requires point and line."
}
return [point, line];
};
TCAD.TWO.ParametricManager.prototype._fetchTwoLines = function(objs) {
var lines = [];
for (var i = 0; i < objs.length; ++i) {
if (objs[i]._class == 'TCAD.TWO.Segment') {
lines.push(objs[i]);
}
}
if (lines.length < 2) {
throw "Illegal Argument. Constraint requires 2 lines."
}
return lines;
};

5
web/app/main2d.js
View file

@ -91,6 +91,10 @@ TCAD.App2D = function() {
P2PDistance : function() {
app.viewer.parametricManager.p2pDistance(app.viewer.selected, prompt);
},
"R = R" : function() {
app.viewer.parametricManager.rr(app.viewer.selected, prompt);
}
};
@ -105,6 +109,7 @@ TCAD.App2D = function() {
actionsF.add(actions, 'perpendicular');
actionsF.add(actions, 'P2LDistance');
actionsF.add(actions, 'P2PDistance');
actionsF.add(actions, 'R = R');
actionsF.open();
};

61
web/app/parametric.js
View file

@ -12,55 +12,6 @@ TCAD.TWO.ParametricManager.prototype.add = function(constr) {
this.viewer.refresh();
};
TCAD.TWO.ParametricManager.prototype._fetchTwoPoints = function(objs) {
var points = [];
for (var i = 0; i < objs.length; ++i) {
if (objs[i]._class == 'TCAD.TWO.EndPoint') {
points.push(objs[i]);
} else if (objs[i]._class == 'TCAD.TWO.Segment') {
points.push(objs[i].a);
points.push(objs[i].b);
}
}
if (points.length < 2) {
throw "Illegal Argument. Constraint requires 2 points or 1 line."
}
return points;
};
TCAD.TWO.ParametricManager.prototype._fetchPointAndLine = function(objs) {
var point = null;
var line = null;
for (var i = 0; i < objs.length; ++i) {
if (objs[i]._class == 'TCAD.TWO.EndPoint') {
point = objs[i];
} else if (objs[i]._class == 'TCAD.TWO.Segment') {
line = objs[i];
}
}
if (point == null || line == null) {
throw "Illegal Argument. Constraint requires point and line."
}
return [point, line];
};
TCAD.TWO.ParametricManager.prototype._fetchTwoLines = function(objs) {
var lines = [];
for (var i = 0; i < objs.length; ++i) {
if (objs[i]._class == 'TCAD.TWO.Segment') {
lines.push(objs[i]);
}
}
if (lines.length < 2) {
throw "Illegal Argument. Constraint requires 2 lines."
}
return lines;
};
TCAD.TWO.ParametricManager.prototype.vertical = function(objs) {
var p = this._fetchTwoPoints(objs);
this.add(new TCAD.TWO.Constraints.Equal(p[0]._x, p[1]._x));
@ -81,6 +32,17 @@ TCAD.TWO.ParametricManager.prototype.perpendicular = function(objs) {
this.add(new TCAD.TWO.Constraints.Perpendicular(lines[0], lines[1]));
};
TCAD.TWO.ParametricManager.prototype.rr = function(objs) {
var arcs = this._fetchTwoOrMoreArcs(objs);
var prev = arcs[0].r;
for (var i = 1; i < arcs.length; ++i) {
this.system.push(new TCAD.TWO.Constraints.Equal(prev, arcs[i].r));
prev = arcs[i].r;
}
this.solve();
this.viewer.refresh();
};
TCAD.TWO.ParametricManager.prototype.p2lDistance = function(objs, promptCallback) {
var pl = this._fetchPointAndLine(objs);
@ -119,7 +81,6 @@ TCAD.TWO.ParametricManager.prototype.p2pDistance = function(objs, promptCallback
}
};
TCAD.TWO.ParametricManager.prototype.coincident = function(objs) {
if (objs.length == 0) return;
var last = objs.length - 1;

1
web/canvas.html
View file

@ -20,6 +20,7 @@
<script src="app/constr/solver.js"></script>
<script src="app/parametric.js"></script>
<script src="app/fetchers.js"></script>
<script src="app/engine.js"></script>
<script src="app/vector.js"></script>
<script src="app/bsp.js"></script>