Pool shader opengl es

// PoolShader.vsh attribute vec4 position; attribute vec3 normal; attribute vec2 texture; uniform mat4 modelViewProjectionMatrix; uniform mat4 modelViewMatrix; uniform mat3 normalMatrix; varying vec3 eyespaceNormal; varying vec4 eyespacePosition; //varying vec2 textureCoordinate; varying vec3 objectspacePosition; void main(void) { // textureCoordinate = texture; objectspacePosition = position.xyz; eyespaceNormal = normalMatrix * normal; eyespacePosition = modelViewMatrix * position; gl_Position = modelViewProjectionMatrix * position; }
// // PoolShader.fsh varying mediump vec3 eyespaceNormal; varying highp vec4 eyespacePosition; // varying mediump vec2 textureCoordinate; varying highp vec3 objectspacePosition; uniform highp vec4 materialSpecularColor; uniform highp float materialSpecularExponent; uniform sampler2D texture0; uniform highp vec4 lightPosition; uniform highp float time; const highp float M_PI = 3.14159; const highp float M_2PI = 6.28318; void main(void) { highp float theta = asin(objectspacePosition.y / length(objectspacePosition.xyz)); highp float phi = atan(objectspacePosition.z , objectspacePosition.x); mediump vec2 textureCoordinate = vec2(theta / M_PI, phi / M_2PI); highp vec2 position = (textureCoordinate - 0.5) * 2.0; highp float length = length(position); highp vec2 direction = position / length; highp vec2 st = textureCoordinate.xy + direction * cos(length * 20.0 - time * 10.0) * 0.005; highp vec3 materialDiffuseColor = texture2D(texture0, st).xyz; highp vec3 materialSpecularColor = materialSpecularColor.xyz; highp vec3 lightDirection;; if (lightPosition.w == 0.0) lightDirection = normalize(vec3(lightPosition)); else lightDirection = normalize(vec3(lightPosition - eyespacePosition)); highp vec3 normal = normalize(eyespaceNormal); highp vec3 viewDirection = vec3(0.0, 0.0, 1.0); highp vec3 halfPlane = normalize(lightDirection + viewDirection); highp float diffuseFactor = max(0.1, 1.5 * dot(normal, lightDirection)); highp float specularFactor = max(0.0, dot(normal, halfPlane)); specularFactor = pow(specularFactor, materialSpecularExponent); highp vec3 color = diffuseFactor * materialDiffuseColor + specularFactor * materialSpecularColor; gl_FragColor = vec4(color, 1); } Game Developer Leegoon copyright all right reserved since 2010.