From 6fd00e31a7dd69bc5a6c6b7f93421db184b31580 Mon Sep 17 00:00:00 2001
From: Alexander Rose <alex.rose@rcsb.org>
Date: Wed, 20 Jun 2018 11:07:07 -0700
Subject: [PATCH] cache cylinder primitive
---
src/mol-geo/shape/mesh-builder.ts | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/src/mol-geo/shape/mesh-builder.ts b/src/mol-geo/shape/mesh-builder.ts
index 1236736cc..5efda4e2a 100644
--- a/src/mol-geo/shape/mesh-builder.ts
+++ b/src/mol-geo/shape/mesh-builder.ts
@@ -45,6 +45,7 @@ export namespace MeshBuilder {
let currentId = -1
+ const cylinderMap = new Map<string, Primitive>()
const icosahedronMap = new Map<string, Primitive>()
const add = (t: Mat4, _vertices: Float32Array, _normals: Float32Array, _indices: Uint32Array) => {
@@ -75,7 +76,12 @@ export namespace MeshBuilder {
return add(t, box.vertices, box.normals, box.indices)
},
addCylinder: (t: Mat4, props?: CylinderProps) => {
- const cylinder = Cylinder(props)
+ const key = JSON.stringify(props)
+ let cylinder = cylinderMap.get(key)
+ if (cylinder === undefined) {
+ cylinder = Cylinder(props)
+ cylinderMap.set(key, cylinder)
+ }
return add(t, cylinder.vertices, cylinder.normals, cylinder.indices)
},
addIcosahedron: (t: Mat4, props: IcosahedronProps) => {
--
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