24 lines
947 B
JavaScript
24 lines
947 B
JavaScript
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"use strict";
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class MeshBatchUvs {
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/**
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* @param uvBuffer - Buffer with normalized uv's
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* @param uvMatrix - Material UV matrix
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*/
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constructor(uvBuffer, uvMatrix) {
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this.uvBuffer = uvBuffer, this.uvMatrix = uvMatrix, this.data = null, this._bufferUpdateId = -1, this._textureUpdateId = -1, this._updateID = 0;
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}
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/**
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* Updates
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* @param forceUpdate - force the update
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*/
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update(forceUpdate) {
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if (!forceUpdate && this._bufferUpdateId === this.uvBuffer._updateID && this._textureUpdateId === this.uvMatrix._updateID)
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return;
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this._bufferUpdateId = this.uvBuffer._updateID, this._textureUpdateId = this.uvMatrix._updateID;
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const data = this.uvBuffer.data;
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(!this.data || this.data.length !== data.length) && (this.data = new Float32Array(data.length)), this.uvMatrix.multiplyUvs(data, this.data), this._updateID++;
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}
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}
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exports.MeshBatchUvs = MeshBatchUvs;
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//# sourceMappingURL=MeshBatchUvs.js.map
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