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MX.Polyline = MX.Object3D.extend({
init: function(polyline){
this.faces = []
this.points = polyline.points
for (var i = 1; i < this.points.length; i++) {
var mx = new MX.Object3D()
var head = this.points[i-1]
var tail = this.points[i]
this.move_face(mx, head, tail)
this.faces.push(mx)
scene.add(mx)
}
},
rebuild: function(){
for (var i = 1; i < this.points.length; i++) {
var mx = this.faces[i-1]
var head = this.points[i-1]
var tail = this.points[i]
this.move_face(mx, head, tail)
}
},
move_face: function (mx, head, tail){
var mid_x = (head.a + tail.a)
var mid_z = (head.b + tail.b)
var len = head.distanceTo( tail )
var angle = atan2( head.b - tail.b, head.a - tail.a )
mx.move({
x: mid_x / 2,
y: wallHeight/2 + 1,
z: mid_z / 2,
width: ceil(len),
height: wallHeight,
rotationY: angle
})
var hue = abs(round( angle / PI * 90 + 300))
mx.el.style.backgroundColor = 'hsl(' + [hue, "100%", "50%"] + ')'
},
set_height: function(height){
for (var i = 0; i < this.faces.length; i++) {
this.faces[i].height = height
this.faces[i].y = height / 2 + 1
}
},
destroy: function(){
this.faces.forEach(function(mx){
scene.remove(mx)
})
this.faces = null
this.points = null
},
})
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