1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Simple Mechanics Simulator (SiMS)
* copyright (c) 2009 Jakob Odersky
* made available under the MIT License
*/
package sims.prefabs
import sims.geometry._
import sims.dynamics._
import sims.dynamics.joints._
class Pylon extends Prefab{
val position: Vector2D = Vector2D(2,1)
val nodeDensity: Double = 100
val beamHeight: Double = 1
val beamWidth: Double = 0.5
val beamNumber: Int = 10
private val nodeRow1 = (for (i <- 0 to beamNumber) yield (new Circle(0.01, nodeDensity) {
pos = position + Vector2D(0, i * beamHeight)}).asBody).toList
private val nodeRow2 = (for (i <- 0 to beamNumber) yield (new Circle(0.01, nodeDensity) {
pos = position + Vector2D(beamWidth, i * beamHeight)}).asBody).toList
private val beamRow1 = (for (i <- 0 until nodeRow1.length - 1) yield
new DistanceJoint(nodeRow1(i), nodeRow1(i).pos, nodeRow1(i+1), nodeRow1(i + 1).pos)).toList
private val beamRow2 = (for (i <- 0 until nodeRow1.length - 1) yield
new DistanceJoint(nodeRow2(i), nodeRow2(i).pos, nodeRow2(i+1), nodeRow2(i + 1).pos)).toList
private val latBeams = (for (i <- 0 to beamNumber) yield
new DistanceJoint(nodeRow1(i), nodeRow2(i))).toList
private val diagBeams1 = (for (i <- 0 until beamNumber) yield
new DistanceJoint(nodeRow1(i), nodeRow2(i + 1))).toList
private val diagBeams2 = (for (i <- 0 until beamNumber) yield
new DistanceJoint(nodeRow2(i), nodeRow1(i + 1))).toList
lazy val nodes = nodeRow1 ++ nodeRow2
lazy val beams = beamRow1 ++ beamRow2 ++ latBeams ++ diagBeams1 ++ diagBeams2
override val bodies = nodes
override val joints = beams
}
|
