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103 lines
2.3 KiB
JavaScript
103 lines
2.3 KiB
JavaScript
import Color from "../Core/Color.js";
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import defaultValue from "../Core/defaultValue.js";
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/**
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* Represents a command to the renderer for clearing a framebuffer.
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*
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* @private
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* @constructor
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*/
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function ClearCommand(options) {
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options = defaultValue(options, defaultValue.EMPTY_OBJECT);
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/**
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* The value to clear the color buffer to. When <code>undefined</code>, the color buffer is not cleared.
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*
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* @type {Color}
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*
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* @default undefined
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*/
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this.color = options.color;
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/**
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* The value to clear the depth buffer to. When <code>undefined</code>, the depth buffer is not cleared.
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*
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* @type {Number}
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*
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* @default undefined
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*/
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this.depth = options.depth;
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/**
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* The value to clear the stencil buffer to. When <code>undefined</code>, the stencil buffer is not cleared.
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*
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* @type {Number}
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*
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* @default undefined
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*/
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this.stencil = options.stencil;
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/**
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* The render state to apply when executing the clear command. The following states affect clearing:
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* scissor test, color mask, depth mask, and stencil mask. When the render state is
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* <code>undefined</code>, the default render state is used.
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*
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* @type {RenderState}
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*
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* @default undefined
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*/
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this.renderState = options.renderState;
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/**
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* The framebuffer to clear.
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*
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* @type {Framebuffer}
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*
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* @default undefined
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*/
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this.framebuffer = options.framebuffer;
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/**
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* The object who created this command. This is useful for debugging command
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* execution; it allows you to see who created a command when you only have a
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* reference to the command, and can be used to selectively execute commands
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* with {@link Scene#debugCommandFilter}.
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*
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* @type {Object}
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*
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* @default undefined
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*
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* @see Scene#debugCommandFilter
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*/
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this.owner = options.owner;
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/**
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* The pass in which to run this command.
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*
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* @type {Pass}
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*
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* @default undefined
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*/
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this.pass = options.pass;
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}
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/**
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* Clears color to (0.0, 0.0, 0.0, 0.0); depth to 1.0; and stencil to 0.
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*
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* @type {ClearCommand}
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*
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* @constant
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*/
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ClearCommand.ALL = Object.freeze(
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new ClearCommand({
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color: new Color(0.0, 0.0, 0.0, 0.0),
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depth: 1.0,
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stencil: 0.0,
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})
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);
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ClearCommand.prototype.execute = function (context, passState) {
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context.clear(this, passState);
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};
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export default ClearCommand;
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