1 files changed, 57 insertions, 0 deletions
diff --git a/public/assets/javascripts/mx/primitives/mx.polyline.js b/public/assets/javascripts/mx/primitives/mx.polyline.js
new file mode 100644
index 0000000..e549150
--- /dev/null
+++ b/public/assets/javascripts/mx/primitives/mx.polyline.js
@@ -0,0 +1,57 @@
+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%"] + ')'
+    var lum = abs(round( angle / PI * 20 + 70))
+    mx.el.style.backgroundColor = 'hsla(' + ["0", "0%", lum + "%", "0.99"] + ')'
+  },
+  
+  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
+  },
+})