Created
October 3, 2013 18:27
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Bug extension for svg.js
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<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<script src="http://jashkenas.github.io/coffee-script/extras/coffee-script.js"></script> | |
<script src="https://s3-eu-west-1.amazonaws.com/svgjs/svg.js"></script> | |
<script src="svg.bug.js"></script> | |
<style> | |
rect { | |
fill: none; | |
stroke: #999; | |
stroke-width: 2; | |
} | |
.vector { | |
stroke: #555; | |
stroke-width: 6; | |
stroke-opacity: 0.6; | |
} | |
#bug { | |
fill: aliceblue; | |
stroke: steelblue; | |
stroke-width: 3; | |
} | |
</style> | |
<body> | |
<div id="canvas"></div> | |
<script type="text/coffeescript"> | |
w = 960 | |
h = 500 | |
draw = SVG('canvas').size(w, h) | |
A = new Point 40, 20 | |
B = new Point 200, 300 | |
C = new Point 300, 150 | |
X = new Vector A, B | |
Y = new Vector B, C | |
Z = new Vector C, A | |
x = draw.vector(X) | |
y = draw.vector(Y) | |
z = draw.vector(Z) | |
draw.rect(w, h) | |
bug = draw.bug(A.x, A.y) | |
thenToC = -> | |
x.color "#555" | |
y.color "orange" | |
bug.moveTo C, thenToA | |
thenToA = -> | |
y.color "#555" | |
z.color "orange" | |
bug.moveTo A, -> z.color "#555" | |
x.color "orange" | |
bug.moveTo B, thenToC | |
</script> |
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class Point | |
constructor: (@x, @y) -> | |
class Vector | |
constructor: (@origin, @end) -> | |
Extras = | |
vector: (v, style) -> | |
style or= | |
width: 3 | |
opacity: .5 | |
color: '#555' | |
V = @line(v.origin.x, v.origin.y, v.end.x, v.end.y) | |
V.color = (color) -> V.stroke({'color': color}) | |
V.stroke(style) | |
bug: (x=0, y=0, size=20) -> | |
bug = @circle(size) | |
.attr("id", "bug") | |
.cx(x) | |
.cy(y) | |
bug.movesTo = (V...) -> | |
chain = -> | |
if V.length | |
bug.moveTo V.shift(), chain | |
chain() | |
bug.moveTo = (V, next) -> | |
@animate(2000, '-').center(V.x, V.y).after(next) | |
bug | |
SVG.extend(SVG.Doc, Extras) | |
window.Point = Point | |
window.Vector = Vector |
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// Generated by CoffeeScript 1.6.3 | |
(function() { | |
var Extras, Point, Vector, | |
__slice = [].slice; | |
Point = (function() { | |
function Point(x, y) { | |
this.x = x; | |
this.y = y; | |
} | |
return Point; | |
})(); | |
Vector = (function() { | |
function Vector(origin, end) { | |
this.origin = origin; | |
this.end = end; | |
} | |
return Vector; | |
})(); | |
Extras = { | |
vector: function(v, style) { | |
var V; | |
style || (style = { | |
width: 3, | |
opacity: .5, | |
color: '#555' | |
}); | |
V = this.line(v.origin.x, v.origin.y, v.end.x, v.end.y); | |
V.color = function(color) { | |
return V.stroke({ | |
'color': color | |
}); | |
}; | |
return V.stroke(style); | |
}, | |
bug: function(x, y, size) { | |
var bug; | |
if (x == null) { | |
x = 0; | |
} | |
if (y == null) { | |
y = 0; | |
} | |
if (size == null) { | |
size = 20; | |
} | |
bug = this.circle(size).attr("id", "bug").cx(x).cy(y); | |
bug.movesTo = function() { | |
var V, chain; | |
V = 1 <= arguments.length ? __slice.call(arguments, 0) : []; | |
chain = function() { | |
if (V.length) { | |
return bug.moveTo(V.shift(), chain); | |
} | |
}; | |
return chain(); | |
}; | |
bug.moveTo = function(V, next) { | |
return this.animate(2000, '-').center(V.x, V.y).after(next); | |
}; | |
return bug; | |
} | |
}; | |
SVG.extend(SVG.Doc, Extras); | |
window.Point = Point; | |
window.Vector = Vector; | |
}).call(this); |
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