@babylonjs/core
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Getting started? Play directly with the Babylon.js API using our [playground](https://playground.babylonjs.com/). It also contains a lot of samples to learn how to use it.
37 lines • 1.3 kB
JavaScript
import { ShaderDefineExpression } from "../shaderDefineExpression.js";
/** @internal */
export class ShaderDefineArithmeticOperator extends ShaderDefineExpression {
constructor(define, operand, testValue) {
super();
this.define = define;
this.operand = operand;
this.testValue = testValue;
}
isTrue(preprocessors) {
let condition = false;
const left = parseInt(preprocessors[this.define] != undefined ? preprocessors[this.define] : this.define);
const right = parseInt(preprocessors[this.testValue] != undefined ? preprocessors[this.testValue] : this.testValue);
switch (this.operand) {
case ">":
condition = left > right;
break;
case "<":
condition = left < right;
break;
case "<=":
condition = left <= right;
break;
case ">=":
condition = left >= right;
break;
case "==":
condition = left === right;
break;
case "!=":
condition = left !== right;
break;
}
return condition;
}
}
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