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@@ -1,90 +0,0 @@
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-( function () {
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-
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- class WEBGL {
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-
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- static isWebGLAvailable() {
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-
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- try {
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-
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- const canvas = document.createElement( 'canvas' );
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- return !! ( window.WebGLRenderingContext && ( canvas.getContext( 'webgl' ) || canvas.getContext( 'experimental-webgl' ) ) );
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-
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- } catch ( e ) {
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-
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- return false;
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-
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- }
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-
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- }
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-
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- static isWebGL2Available() {
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-
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- try {
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-
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- const canvas = document.createElement( 'canvas' );
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- return !! ( window.WebGL2RenderingContext && canvas.getContext( 'webgl2' ) );
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-
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- } catch ( e ) {
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-
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- return false;
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-
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- }
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-
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- }
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-
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- static getWebGLErrorMessage() {
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-
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- return this.getErrorMessage( 1 );
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-
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- }
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-
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- static getWebGL2ErrorMessage() {
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-
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- return this.getErrorMessage( 2 );
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-
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- }
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-
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- static getErrorMessage( version ) {
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-
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- const names = {
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- 1: 'WebGL',
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- 2: 'WebGL 2'
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- };
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- const contexts = {
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- 1: window.WebGLRenderingContext,
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- 2: window.WebGL2RenderingContext
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- };
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- let message = 'Your $0 does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">$1</a>';
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- const element = document.createElement( 'div' );
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- element.id = 'webglmessage';
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- element.style.fontFamily = 'monospace';
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- element.style.fontSize = '13px';
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- element.style.fontWeight = 'normal';
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- element.style.textAlign = 'center';
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- element.style.background = '#fff';
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- element.style.color = '#000';
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- element.style.padding = '1.5em';
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- element.style.width = '400px';
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- element.style.margin = '5em auto 0';
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-
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- if ( contexts[ version ] ) {
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-
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- message = message.replace( '$0', 'graphics card' );
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-
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- } else {
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-
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- message = message.replace( '$0', 'browser' );
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-
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- }
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-
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- message = message.replace( '$1', names[ version ] );
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- element.innerHTML = message;
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- return element;
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-
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- }
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-
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- }
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-
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- THREE.WEBGL = WEBGL;
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-
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-} )();
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