ZhongMianAdmin/packages/kankan-sdk-deps/lib/postprocessing/RenderPass.js

;(function () {
    class RenderPass extends THREE.Pass {
        constructor(scene, camera, overrideMaterial, clearColor, clearAlpha) {
            super()
            this.scene = scene
            this.camera = camera
            this.overrideMaterial = overrideMaterial
            this.clearColor = clearColor
            this.clearAlpha = clearAlpha !== undefined ? clearAlpha : 0
            this.clear = true
            this.clearDepth = false
            this.needsSwap = false
            this._oldClearColor = new THREE.Color()
        }

        render(
            renderer,
            writeBuffer,
            readBuffer
            /*, deltaTime, maskActive */
        ) {
            const oldAutoClear = renderer.autoClear
            renderer.autoClear = false
            let oldClearAlpha, oldOverrideMaterial

            if (this.overrideMaterial !== undefined) {
                oldOverrideMaterial = this.scene.overrideMaterial
                this.scene.overrideMaterial = this.overrideMaterial
            }

            if (this.clearColor) {
                renderer.getClearColor(this._oldClearColor)
                oldClearAlpha = renderer.getClearAlpha()
                renderer.setClearColor(this.clearColor, this.clearAlpha)
            }

            if (this.clearDepth) {
                renderer.clearDepth()
            }

            renderer.setRenderTarget(this.renderToScreen ? null : readBuffer) // TODO: Avoid using autoClear properties, see https://github.com/mrdoob/three.js/pull/15571#issuecomment-465669600

            if (this.clear) renderer.clear(renderer.autoClearColor, renderer.autoClearDepth, renderer.autoClearStencil)
            renderer.render(this.scene, this.camera)

            if (this.clearColor) {
                renderer.setClearColor(this._oldClearColor, oldClearAlpha)
            }

            if (this.overrideMaterial !== undefined) {
                this.scene.overrideMaterial = oldOverrideMaterial
            }

            renderer.autoClear = oldAutoClear
        }
    }

    THREE.RenderPass = RenderPass
})()