Method _generateSampleKernel

examples/jsm/postprocessing/SSAOPass.js:436–457

( kernelSize )

	}

	_generateSampleKernel( kernelSize ) {

		const kernel = this.kernel;

		for ( let i = 0; i < kernelSize; i ++ ) {

			const sample = new Vector3();
			sample.x = ( Math.random() * 2 ) - 1;
			sample.y = ( Math.random() * 2 ) - 1;
			sample.z = Math.random();

			sample.normalize();

			let scale = i / kernelSize;
			scale = MathUtils.lerp( 0.1, 1, scale * scale );
			sample.multiplyScalar( scale );

			kernel.push( sample );

		}

	}

	_generateRandomKernelRotations() {