mukae1997.github.io/cg.html at master · mukae1997/mukae1997.github.io · GitHub

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<!DOCTYPE html>
<html>
	<head>
		<meta charset=utf-8>
		<title>Seasons Island</title>
		<style>
			body {
                margin: 0;
                width:100%;
                height:100%;

            }
			canvas { width: 100%; height: 100% }
            #waitinghint{
                position: fixed;
                width:100%;
                height:100%;
                margin: 0;
                padding:0;

            }
            #container{
                margin-top:300px;
                margin-left:30%;

                height:100px;
                width:500px;

            }

            .unloaded{
                background-color: darkslategrey;
                color:ghostwhite;
                font-size: 10px;
                opacity: 0.8;

            }

            .loaded{
                opacity: 0;
                display: none;
            }

            #stats-container{
                position: relative;
                left:100px;
            }
            h2 {
                position: absolute;
                left:20px;
            }
            h2 a {
                text-decoration: none;
                color:white;
                cursor: pointer;
                padding:8px;
                opacity: 0.8;

                background-color:darkslategrey;

            }
            h2 a:visited {
                text-decoration: none;
                color:white;

            }

		</style>
	</head>
	<body>
        <h2 style="z-index:2;"><a href="/" > < </a></h2>
        <div id="stats-container"></div>
        <div id="waitinghint" class = "unloaded">
            <div id="container">
                <h1 >
                 Seasons Island
                </h1>
                <div>

                Object Loading... <span id="progress">0</span>% / 100%

                </div>
                <div>
                    已等待 <span id="wait">0</span>秒
                </div>

                <div>
                   (模型较多，需等待1~2分钟(; - ; ))
                </div>
            </div>


        </div>
        <script id="vertexShader" type="x-shader/x-vertex">
            varying vec2 vUv;
            varying vec4 worldPos;
            varying vec3 vNormal;
            uniform mat4 transform;
			uniform mat4 textureMatrix;
            varying vec4 mirrorCoord;
            uniform vec3 ilightPos;


			void main() {
				 vUv = uv;
                 vNormal = normalize(normalMatrix * normal);
				 gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );

                 worldPos =  modelMatrix * vec4(position.xyz, 1.0);
                 mirrorCoord =  textureMatrix * modelMatrix * vec4(position, 1.0);
			}

        </script>


		<script id="fragmentShader" type="x-shader/x-vertex">

            varying vec2 vUv;
            uniform sampler2D mirrorSampler;
            uniform sampler2D normalSampler;

            uniform sampler2D theTexture;
            uniform mat4 transform;

            varying vec4 worldPos;
            varying vec3 vNormal;
            uniform vec3 viewPos;
            uniform float iState;
            uniform vec3 ilightPos;

            varying vec4 mirrorCoord;

            mat3 tangentTransform(vec3 vViewPosition) {

                // normal mapping

                vec4 posAndU = vec4( -vViewPosition, vUv.x );
                // tangent is alongside the u-axis(x-axis, horizontal one.)
                vec4 posAndU_dx = dFdx( posAndU ),  posAndU_dy = dFdy( posAndU );
                vec3 tangent = posAndU_dx.w * posAndU_dx.xyz + posAndU_dy.w * posAndU_dy.xyz;
                vec3 normal = normalize( vNormal );
                vec3 binormal = normalize( cross( tangent, normal ) );
                tangent = cross( normal, binormal );	// no normalization required
                mat3 tsb = mat3( tangent, binormal, normal );
                return tsb;
            }

            void main()	{
                float PI = 3.14159;
                float dayState = min(iState, 1.0);
                // gl_FragCoord.x  屏幕坐标
                // gl_FragColor = vec4(vUv.x, vUv.y,1,1);

                vec3 lightPos = vec3(-650.0,38.0,300.0); // fake light
    //            lightPos = ilightPos;


                float ambientStrength = 0.7;
                vec3 lightColor = vec3(0.6,0.8,0.86); // fake
                vec3 myblue = vec3(140.0 / 255.0, 214.0 / 255.0, 255.0 / 255.0);
                vec3 myorange = vec3(255.0 / 255.0, 157.0 / 255.0, 30.0 / 255.0);
                vec3 black = vec3(0.0,0.0,0.0);
                if (iState < 1.0) {
                    lightColor = mix(myblue, myorange, iState) ;
                } else if (iState >= 1.0 && iState < 1.5){
                    lightColor = mix(myorange, black, (iState-1.0)/0.5) ;
                } else {
                    lightColor = mix(black, myblue, (iState-1.5)/0.5) ;
                }

                float darkstate = -1.0;
                if (iState > 1.0) darkstate = iState - 1.0;

                // NOTICE!!!: THIS SHADER calculating lighting in WORLD space
                vec3 ambient = ambientStrength * lightColor - darkstate;

                // diffuse lighting
                vec3 norm = normalize(vNormal);
                // tagent space transform
                vec3 viewDir = (viewPos - vec3(worldPos));
                mat3 tsb = tangentTransform( viewDir );
                viewDir = normalize(viewDir);

                norm =   (texture2D(theTexture, vUv).xyz ); // wrong but good effect
                norm =    2.0*(texture2D(normalSampler, vUv).xyz )-1.0;

                norm = normalize(tsb * norm);
                norm.rgb = norm.rbg;


                vec3 lightDir = normalize(lightPos - vec3(worldPos)); // point light

                vec3 dirlightpos = vec3(-200.0*cos(iState * 3.13159),10.0*sin(dayState*PI) ,0.0);
                lightDir = normalize(-dirlightpos); // directional light

                float diff = max(dot(norm, lightDir), 0.0);
                vec3 diffuse = diff * lightColor;

                // specular lighting

                float specularStrength = 0.8;
                if (darkstate > 0.0 ) specularStrength *= max(0.0, darkstate);
                vec3 inlight = -lightDir;
                vec3 reflectDir = reflect(inlight, norm);
                float spec = pow(max(dot(viewDir, reflectDir), 0.0), 32.0);
                vec3 specular = specularStrength * spec * lightColor;
                vec4 texColor = texture2D(theTexture, vUv);
                vec4 result = vec4(ambient*0.3 + diffuse + specular*2.0, 1.0) * texColor;


                vec4 env = texture2DProj(mirrorSampler, mirrorCoord);

                float e = 0.66;
                vec3 refractDir = refract(inlight, norm, e);
                float power = 5.0;
                float bias = 0.2;
                float scale = 0.5;
                float fresnel = bias + scale * pow(min(0.0, 1.0 - dot(inlight, norm)),
                                                    power);

                //vec3 reflectColor = vec3(mirrorCoord.y, mirrorCoord.x, 1.0);
                vec3 reflectColor = env.rgb;
                //vec3 reflectColor = vec3(0.5,1.0,1.0);

                float latterRatio = 0.51;
                float reflectEffectByLight = -1.0;
                reflectEffectByLight = abs(dayState - 0.5); // 太阳靠近边缘的时候反射更强

                gl_FragColor = vec4(mix(result.rgb, reflectColor, 0.4 + reflectEffectByLight),1.0);
//                 gl_FragColor.rgb = worldPos.rgb / 700.0;
//                gl_FragColor.rgb = norm.xyz;
    //            if (distance(vec3(worldPos).x, dirlightpos.x) < 1.0) {gl_FragColor.rgb = vec3(0.0,1.0,0.0);}
    //            if (distance(vec3(worldPos).z, dirlightpos.y) < 1.0) {gl_FragColor.rgb = vec3(0.0,0.0,1.0);}
            }
        </script>
		<script src="js/three.js"></script>
		<script src="js/ImprovedNoise.js"></script>
		<script src="js/dat.gui.min.js"></script>
		<script src="js/ThreeCSG.js"></script>
		<script src="js/libs/stats.min.js"></script>

		<script src="js/libs/ammo.js"></script>

		<script src="js/postprocessing/EffectComposer.js"></script>
		<script src="js/postprocessing/RenderPass.js"></script>
		<script src="js/postprocessing/ShaderPass.js"></script>
		<script src="js/postprocessing/MaskPass.js"></script>

		<script src="js/shaders/CopyShader.js"></script>
		<script src="js/shaders/DotScreenShader.js"></script>

		<script src="js/shaders/FXAAShader.js"></script>
		<script src="js/shaders/ConvolutionShader.js"></script>
<!--		<script src="js/shaders/RGBShiftShader.js"></script>-->
        <script src="js/shaders/LuminosityHighPassShader.js"></script>
		<script src="js/postprocessing/UnrealBloomPass.js"></script>

        <script src="js/controls/FirstPersonControls.js"></script>
        <script src="js/controls/OrbitControls.js"></script>
        <script src="js/loaders/OBJLoader.js"></script>
        <script src="js/loaders/MTLLoader.js"></script>
        <script src="spring.js"> </script>
        <script src="sea.js"> </script>
        <script src="https://threejs.org/examples/js/renderers/CanvasRenderer.js"></script>
		<script src="winter.js" > </script>
        <script src="Fall.js" > </script>
        <script src="summer.js"></script>
		<script src="myscene.js">
		</script>
	</body>
</html>