| 48 | fun show(layer: Stage.ShaderGroup, name: String, size: Float) { |
| 49 | val v = layer.pointBuilder(name) |
| 50 | |
| 51 | v.open() |
| 52 | v.aux(2, size) |
| 53 | points.forEach { |
| 54 | v.aux(1, it.color) |
| 55 | if (it.normal != null) |
| 56 | v.aux(4, it.normal) |
| 57 | if (it.color != null) |
| 58 | v.aux(1, it.color) |
| 59 | v.v(it.at) |
| 60 | } |
| 61 | v.close() |
| 62 | } |
| 63 | |
| 64 | fun planarRotate(center: Vec3, up: Vec3, amount: Float) { |
| 65 | val q = Quat().setAngleAxis(amount.toDouble(), up.normalize()) |
| 66 |