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BlendMode.html

BlendMode.html 13 KB
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  1. <!DOCTYPE html>
    2. 

  2. <html lang="en">
    3. 

  3. <head>
    4. 

  4. 	<meta charset="utf-8">
    5. 

  5. 	<title>BlendMode - Three.js Docs</title>
    6. 

  6. 	<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
    7. 

  7. 	<script src="../scripts/highlight.min.js"></script>
    8. 

  8. 	<link type="text/css" rel="stylesheet" href="../styles/highlight-three.css">
    9. 

  9. 	<link type="text/css" rel="stylesheet" href="../styles/page.css">
    10. 

  10. </head>
    11. 

  11. <body>
    12. 

  12. 	<h1 translate="no">BlendMode</h1>
    13. 

  13. 		<section>
    14. 

  14. 			<header>
    15. 

  15. 				<div class="class-description"><p>Represents blending configuration.</p>
    16. 

  16. <p>This class encapsulates all blending-related properties that control how
    17. 

  17. a material's colors are combined with the colors already in the frame buffer.</p></div>
    18. 

  18. 			</header>
    19. 

  19. 			<article>
    20. 

  20. 				<div class="container-overview">
    21. 

  21. 					<h2>Constructor</h2>
    22. 

  22. 					<h3 class="name name-method" id="BlendMode" translate="no">new <a href="#BlendMode">BlendMode</a><span class="signature">( blending : <span class="param-type"><a href="global.html#NoBlending">NoBlending</a> | <a href="global.html#NormalBlending">NormalBlending</a> | <a href="global.html#AdditiveBlending">AdditiveBlending</a> | <a href="global.html#SubtractiveBlending">SubtractiveBlending</a> | <a href="global.html#MultiplyBlending">MultiplyBlending</a> | <a href="global.html#CustomBlending">CustomBlending</a> | <a href="global.html#MaterialBlending">MaterialBlending</a></span> )</span> </h3>
    23. 

  23. 					<div class="method">
    24. 

  24. 						<div class="description">
    25. 

  25. 							<p>Constructs a new blending configuration.</p>
    26. 

  26. 						</div>
    27. 

  27. 						<table class="params">
    28. 

  28. 							<tbody>
    29. 

  29. 								<tr>
    30. 

  30. 									<td class="name">
    31. 

  31. 										<strong translate="no">blending</strong>
    32. 

  32. 									</td>
    33. 

  33. 									<td class="description last">
    34. 

  34. 										<p>The blending mode.</p>
    35. 

  35. 										<p>Default is <code>NormalBlending</code>.</p>
    36. 

  36. 									</td>
    37. 

  37. 								</tr>
    38. 

  38. 							</tbody>
    39. 

  39. 						</table>
    40. 

  40. 					</div>
    41. 

  41. 				</div>
    42. 

  42. 				<h2 class="subsection-title">Properties</h2>
    43. 

  43. 				<div class="member">
    44. 

  44. 					<h3 class="name" id="blendDst" translate="no">.<a href="#blendDst">blendDst</a><span class="type-signature"> : <a href="global.html#ZeroFactor">ZeroFactor</a> | <a href="global.html#OneFactor">OneFactor</a> | <a href="global.html#SrcColorFactor">SrcColorFactor</a> | <a href="global.html#OneMinusSrcColorFactor">OneMinusSrcColorFactor</a> | <a href="global.html#SrcAlphaFactor">SrcAlphaFactor</a> | <a href="global.html#OneMinusSrcAlphaFactor">OneMinusSrcAlphaFactor</a> | <a href="global.html#DstAlphaFactor">DstAlphaFactor</a> | <a href="global.html#OneMinusDstAlphaFactor">OneMinusDstAlphaFactor</a> | <a href="global.html#DstColorFactor">DstColorFactor</a> | <a href="global.html#OneMinusDstColorFactor">OneMinusDstColorFactor</a> | <a href="global.html#SrcAlphaSaturateFactor">SrcAlphaSaturateFactor</a> | <a href="global.html#ConstantColorFactor">ConstantColorFactor</a> | <a href="global.html#OneMinusConstantColorFactor">OneMinusConstantColorFactor</a> | <a href="global.html#ConstantAlphaFactor">ConstantAlphaFactor</a> | <a href="global.html#OneMinusConstantAlphaFactor">OneMinusConstantAlphaFactor</a></span> </h3>
    45. 

  45. 					<div class="description">
    46. 

  46. 						<p>Defines the blending destination factor.</p>
    47. 

  47. <p>This determines how the destination (existing) fragment color in the frame buffer
    48. 

  48. is factored before being combined with the source (incoming) fragment color.</p>
    49. 

  49. 						<p>Default is <code>OneMinusSrcAlphaFactor</code>.</p>
    50. 

  50. 					</div>
    51. 

  51. 				</div>
    52. 

  52. 				<div class="member">
    53. 

  53. 					<h3 class="name" id="blendDstAlpha" translate="no">.<a href="#blendDstAlpha">blendDstAlpha</a><span class="type-signature"> : <a href="global.html#ZeroFactor">ZeroFactor</a> | <a href="global.html#OneFactor">OneFactor</a> | <a href="global.html#SrcColorFactor">SrcColorFactor</a> | <a href="global.html#OneMinusSrcColorFactor">OneMinusSrcColorFactor</a> | <a href="global.html#SrcAlphaFactor">SrcAlphaFactor</a> | <a href="global.html#OneMinusSrcAlphaFactor">OneMinusSrcAlphaFactor</a> | <a href="global.html#DstAlphaFactor">DstAlphaFactor</a> | <a href="global.html#OneMinusDstAlphaFactor">OneMinusDstAlphaFactor</a> | <a href="global.html#DstColorFactor">DstColorFactor</a> | <a href="global.html#OneMinusDstColorFactor">OneMinusDstColorFactor</a> | <a href="global.html#SrcAlphaSaturateFactor">SrcAlphaSaturateFactor</a> | <a href="global.html#ConstantColorFactor">ConstantColorFactor</a> | <a href="global.html#OneMinusConstantColorFactor">OneMinusConstantColorFactor</a> | <a href="global.html#ConstantAlphaFactor">ConstantAlphaFactor</a> | <a href="global.html#OneMinusConstantAlphaFactor">OneMinusConstantAlphaFactor</a></span> </h3>
    54. 

  54. 					<div class="description">
    55. 

  55. 						<p>Defines the blending destination alpha factor.</p>
    56. 

  56. <p>When set, this allows separate control of the alpha channel's destination blending factor.
    57. 

  57. If <code>null</code>, <a href="BlendMode.html#blendDst">BlendMode#blendDst</a> is used for the alpha channel as well.</p>
    58. 

  58. 						<p>Default is <code>null</code>.</p>
    59. 

  59. 					</div>
    60. 

  60. 				</div>
    61. 

  61. 				<div class="member">
    62. 

  62. 					<h3 class="name" id="blendEquation" translate="no">.<a href="#blendEquation">blendEquation</a><span class="type-signature"> : <a href="global.html#AddEquation">AddEquation</a> | <a href="global.html#SubtractEquation">SubtractEquation</a> | <a href="global.html#ReverseSubtractEquation">ReverseSubtractEquation</a> | <a href="global.html#MinEquation">MinEquation</a> | <a href="global.html#MaxEquation">MaxEquation</a></span> </h3>
    63. 

  63. 					<div class="description">
    64. 

  64. 						<p>Defines the blending equation.</p>
    65. 

  65. <p>This determines how the source and destination colors are combined.</p>
    66. 

  66. 						<p>Default is <code>AddEquation</code>.</p>
    67. 

  67. 					</div>
    68. 

  68. 				</div>
    69. 

  69. 				<div class="member">
    70. 

  70. 					<h3 class="name" id="blendEquationAlpha" translate="no">.<a href="#blendEquationAlpha">blendEquationAlpha</a><span class="type-signature"> : <a href="global.html#AddEquation">AddEquation</a> | <a href="global.html#SubtractEquation">SubtractEquation</a> | <a href="global.html#ReverseSubtractEquation">ReverseSubtractEquation</a> | <a href="global.html#MinEquation">MinEquation</a> | <a href="global.html#MaxEquation">MaxEquation</a></span> </h3>
    71. 

  71. 					<div class="description">
    72. 

  72. 						<p>Defines the blending equation of the alpha channel.</p>
    73. 

  73. <p>When set, this allows separate control of the alpha channel's blending equation.
    74. 

  74. If <code>null</code>, <a href="BlendMode.html#blendEquation">BlendMode#blendEquation</a> is used for the alpha channel as well.</p>
    75. 

  75. 						<p>Default is <code>null</code>.</p>
    76. 

  76. 					</div>
    77. 

  77. 				</div>
    78. 

  78. 				<div class="member">
    79. 

  79. 					<h3 class="name" id="blendSrc" translate="no">.<a href="#blendSrc">blendSrc</a><span class="type-signature"> : <a href="global.html#ZeroFactor">ZeroFactor</a> | <a href="global.html#OneFactor">OneFactor</a> | <a href="global.html#SrcColorFactor">SrcColorFactor</a> | <a href="global.html#OneMinusSrcColorFactor">OneMinusSrcColorFactor</a> | <a href="global.html#SrcAlphaFactor">SrcAlphaFactor</a> | <a href="global.html#OneMinusSrcAlphaFactor">OneMinusSrcAlphaFactor</a> | <a href="global.html#DstAlphaFactor">DstAlphaFactor</a> | <a href="global.html#OneMinusDstAlphaFactor">OneMinusDstAlphaFactor</a> | <a href="global.html#DstColorFactor">DstColorFactor</a> | <a href="global.html#OneMinusDstColorFactor">OneMinusDstColorFactor</a> | <a href="global.html#SrcAlphaSaturateFactor">SrcAlphaSaturateFactor</a> | <a href="global.html#ConstantColorFactor">ConstantColorFactor</a> | <a href="global.html#OneMinusConstantColorFactor">OneMinusConstantColorFactor</a> | <a href="global.html#ConstantAlphaFactor">ConstantAlphaFactor</a> | <a href="global.html#OneMinusConstantAlphaFactor">OneMinusConstantAlphaFactor</a></span> </h3>
    80. 

  80. 					<div class="description">
    81. 

  81. 						<p>Defines the blending source factor.</p>
    82. 

  82. <p>This determines how the source (incoming) fragment color is factored before being added
    83. 

  83. to the destination (existing) fragment color in the frame buffer.</p>
    84. 

  84. 						<p>Default is <code>SrcAlphaFactor</code>.</p>
    85. 

  85. 					</div>
    86. 

  86. 				</div>
    87. 

  87. 				<div class="member">
    88. 

  88. 					<h3 class="name" id="blendSrcAlpha" translate="no">.<a href="#blendSrcAlpha">blendSrcAlpha</a><span class="type-signature"> : <a href="global.html#ZeroFactor">ZeroFactor</a> | <a href="global.html#OneFactor">OneFactor</a> | <a href="global.html#SrcColorFactor">SrcColorFactor</a> | <a href="global.html#OneMinusSrcColorFactor">OneMinusSrcColorFactor</a> | <a href="global.html#SrcAlphaFactor">SrcAlphaFactor</a> | <a href="global.html#OneMinusSrcAlphaFactor">OneMinusSrcAlphaFactor</a> | <a href="global.html#DstAlphaFactor">DstAlphaFactor</a> | <a href="global.html#OneMinusDstAlphaFactor">OneMinusDstAlphaFactor</a> | <a href="global.html#DstColorFactor">DstColorFactor</a> | <a href="global.html#OneMinusDstColorFactor">OneMinusDstColorFactor</a> | <a href="global.html#SrcAlphaSaturateFactor">SrcAlphaSaturateFactor</a> | <a href="global.html#ConstantColorFactor">ConstantColorFactor</a> | <a href="global.html#OneMinusConstantColorFactor">OneMinusConstantColorFactor</a> | <a href="global.html#ConstantAlphaFactor">ConstantAlphaFactor</a> | <a href="global.html#OneMinusConstantAlphaFactor">OneMinusConstantAlphaFactor</a></span> </h3>
    89. 

  89. 					<div class="description">
    90. 

  90. 						<p>Defines the blending source alpha factor.</p>
    91. 

  91. <p>When set, this allows separate control of the alpha channel's source blending factor.
    92. 

  92. If <code>null</code>, <a href="BlendMode.html#blendSrc">BlendMode#blendSrc</a> is used for the alpha channel as well.</p>
    93. 

  93. 						<p>Default is <code>null</code>.</p>
    94. 

  94. 					</div>
    95. 

  95. 				</div>
    96. 

  96. 				<div class="member">
    97. 

  97. 					<h3 class="name" id="blending" translate="no">.<a href="#blending">blending</a><span class="type-signature"> : <a href="global.html#NoBlending">NoBlending</a> | <a href="global.html#NormalBlending">NormalBlending</a> | <a href="global.html#AdditiveBlending">AdditiveBlending</a> | <a href="global.html#SubtractiveBlending">SubtractiveBlending</a> | <a href="global.html#MultiplyBlending">MultiplyBlending</a> | <a href="global.html#CustomBlending">CustomBlending</a> | <a href="global.html#MaterialBlending">MaterialBlending</a></span> </h3>
    98. 

  98. 					<div class="description">
    99. 

  99. 						<p>Defines the blending type.</p>
    100. 

  100. <p>It must be set to <code>CustomBlending</code> if custom blending properties like
    101. 

  101. <a href="BlendMode.html#blendSrc">BlendMode#blendSrc</a>, <a href="BlendMode.html#blendDst">BlendMode#blendDst</a> or <a href="BlendMode.html#blendEquation">BlendMode#blendEquation</a>
    102. 

  102. should have any effect.</p>
    103. 

  103. 						<p>Default is <code>NormalBlending</code>.</p>
    104. 

  104. 					</div>
    105. 

  105. 				</div>
    106. 

  106. 				<div class="member">
    107. 

  107. 					<h3 class="name" id="premultiplyAlpha" translate="no">.<a href="#premultiplyAlpha">premultiplyAlpha</a><span class="type-signature"> : boolean</span> </h3>
    108. 

  108. 					<div class="description">
    109. 

  109. 						<p>Defines whether to premultiply the alpha (transparency) value.</p>
    110. 

  110. <p>If <code>true</code>, the RGB color of the texture or material is multiplied by its alpha value.
    111. 

  111. This is useful for transparent textures/materials where the color data
    112. 

  112. should already include the transparency information.</p>
    113. 

  113. 						<p>Default is <code>false</code>.</p>
    114. 

  114. 					</div>
    115. 

  115. 				</div>
    116. 

  116. 				<h2 class="subsection-title">Methods</h2>
    117. 

  117. 					<h3 class="name name-method" id="clone" translate="no">.<a href="#clone">clone</a><span class="signature">()</span><span class="type-signature"> : <a href="BlendMode.html">BlendMode</a></span> </h3>
    118. 

  118. 					<div class="method">
    119. 

  119. 						<div class="description">
    120. 

  120. 							<p>Returns a clone of this blending configuration.</p>
    121. 

  121. 						</div>
    122. 

  122. 						<dl class="details">
    123. 

  123. 							<dt class="tag-returns"><strong>Returns:</strong> A new Blending instance with the same properties.</dt>
    124. 

  124. 						</dl>
    125. 

  125. 					</div>
    126. 

  126. 					<h3 class="name name-method" id="copy" translate="no">.<a href="#copy">copy</a><span class="signature">( source : <span class="param-type"><a href="BlendMode.html">BlendMode</a></span> )</span><span class="type-signature"> : <a href="BlendMode.html">BlendMode</a></span> </h3>
    127. 

  127. 					<div class="method">
    128. 

  128. 						<div class="description">
    129. 

  129. 							<p>Copies the blending properties from the given source to this instance.</p>
    130. 

  130. 						</div>
    131. 

  131. 						<table class="params">
    132. 

  132. 							<tbody>
    133. 

  133. 								<tr>
    134. 

  134. 									<td class="name">
    135. 

  135. 										<strong translate="no">source</strong>
    136. 

  136. 									</td>
    137. 

  137. 									<td class="description last">
    138. 

  138. 										<p>The blending configuration to copy from.</p>
    139. 

  139. 									</td>
    140. 

  140. 								</tr>
    141. 

  141. 							</tbody>
    142. 

  142. 						</table>
    143. 

  143. 						<dl class="details">
    144. 

  144. 							<dt class="tag-returns"><strong>Returns:</strong> A reference to this instance.</dt>
    145. 

  145. 						</dl>
    146. 

  146. 					</div>
    147. 

  147. 				<h2 class="subsection-title">Source</h2>
    148. 

  148. 				<p>
    149. 

  149. 					<a href="https://github.com/mrdoob/three.js/blob/master/src/renderers/common/BlendMode.js" translate="no" target="_blank" rel="noopener">src/renderers/common/BlendMode.js</a>
    150. 

  150. 				</p>
    151. 

  151. 			</article>
    152. 

  152. 		</section>
    153. 

  153. <script src="../scripts/linenumber.js"></script>
    154. 

  154. <script src="../scripts/page.js"></script>
    155. 

  155. </body>
    156. 

  156. </html>
    157.
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