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Stop allocating six times more memory than necessary :)

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Jamie Wong
2018-01-24 10:41:55 -08:00
parent 1e659a204b
commit 5caaf856b5
1 changed files with 6 additions and 6 deletions
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12
rectangle-batch-renderer.ts
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@@ -6,9 +6,9 @@ import { Color } from './color'
export class RectangleBatch {
private vertexCapacity = 60
private vertexCount = 0
private positions = new Float32Array(this.vertexCapacity * 6 * 2)
private physicalSpaceOffsets = new Float32Array(this.vertexCapacity * 6 * 2)
private vertexColors = new Float32Array(this.vertexCapacity * 6 * 3)
private positions = new Float32Array(this.vertexCapacity * 2)
private physicalSpaceOffsets = new Float32Array(this.vertexCapacity * 2)
private vertexColors = new Float32Array(this.vertexCapacity * 3)
private offset = {
topLeft: new Vec2(1, -1),
@@ -49,9 +49,9 @@ export class RectangleBatch {
if (index >= this.vertexCapacity) {
// Not enough capacity, time to resize! We'll double the capacity each time.
this.vertexCapacity *= 2
const positions = new Float32Array(this.vertexCapacity * 6 * 2)
const physicalSpaceOffsets = new Float32Array(this.vertexCapacity * 6 * 2)
const vertexColors = new Float32Array(this.vertexCapacity * 6 * 3)
const positions = new Float32Array(this.vertexCapacity * 2)
const physicalSpaceOffsets = new Float32Array(this.vertexCapacity * 2)
const vertexColors = new Float32Array(this.vertexCapacity * 3)
positions.set(this.positions)
physicalSpaceOffsets.set(this.physicalSpaceOffsets)