Directional lighting embeded.

src/og/light/pointLight.js

@@ -2,12 +2,14 @@ goog.provide('og.light.PointLight');
 
 goog.require('og.math.Vector3');
 
-og.light.PointLight = function (name, position, ambient, diffuse, specular, shininess) {
+og.light.PointLight = function (name, position, ambient, diffuse, specular, shininess, directional) {
     this._name = name || ("p" + og.light.PointLight._counter++);
     this._renderNode = null;
 
     this._position = position || new og.math.Vector3();
 
+    this.directional = true;// = directional || false;
+
     this._ambient = ambient || new og.math.Vector3();
     this._diffuse = diffuse || new og.math.Vector3(0.8, 0.8, 0.8);
     this._specular = specular || new og.math.Vector3(0.18, 0.18, 0.18);
@@ -65,7 +67,9 @@ og.light.PointLight.prototype.isActive = function () {
 
 
 og.light.PointLight.prototype.setPosition = function (position) {
-    this._position = position;
+    this._position.x = position.x;
+    this._position.y = position.y;
+    this._position.z = position.z;
     return this;
 };
 

src/og/math/matrix3.js

@@ -44,4 +44,37 @@ og.math.Matrix3.prototype.setIdentity = function () {
     this._m[3] = 0; this._m[4] = 1; this._m[5] = 0;
     this._m[6] = 0; this._m[7] = 0; this._m[8] = 1;
     return this;
+};
+
+og.math.Matrix3.prototype.mulVec = function (p) {
+    var d = p.x, e = p.y, g = p.z;
+    var m = this._m;
+    return new og.math.Vector3(
+        m[0] * d + m[3] * e + m[6] * g,
+        m[1] * d + m[4] * e + m[7] * g,
+        m[2] * d + m[5] * e + m[8] * g
+    );
+};
+
+og.math.Matrix3.prototype.toMatrix4 = function () {
+    var res = new og.math.Matrix4();
+    var b = res._m;
+    var a = this._m;
+    b[0] = a[0];
+    b[1] = a[1];
+    b[2] = a[2];
+    b[3] = 0;
+    b[4] = a[3];
+    b[5] = a[4];
+    b[6] = a[5];
+    b[7] = 0;
+    b[8] = a[6];
+    b[9] = a[7];
+    b[10] = a[8];
+    b[11] = 0;
+    b[12] = 0;
+    b[13] = 0;
+    b[14] = 0;
+    b[15] = 1;
+    return res;
 };

src/og/node/planet.js

@@ -820,7 +820,7 @@ og.node.Planet.prototype._renderNodesPASS = function () {
             sh = h.shaderPrograms.overlays_wl._program,
             shu = sh.uniforms;
 
-            gl.uniform3fv(shu.pointLightsPositions._pName, this._pointLightsTransformedPositions);
+            gl.uniform4fv(shu.pointLightsPositions._pName, this._pointLightsTransformedPositions);
             gl.uniform3fv(shu.pointLightsParamsv._pName, this._pointLightsParamsv);
             gl.uniform1fv(shu.pointLightsParamsf._pName, this._pointLightsParamsf);
 
@@ -864,7 +864,7 @@ og.node.Planet.prototype._renderNodesPASS = function () {
             sh = h.shaderPrograms.single_wl._program,
             shu = sh.uniforms;
 
-            gl.uniform3fv(shu.pointLightsPositions._pName, this._pointLightsTransformedPositions);
+            gl.uniform4fv(shu.pointLightsPositions._pName, this._pointLightsTransformedPositions);
             gl.uniform3fv(shu.pointLightsParamsv._pName, this._pointLightsParamsv);
             gl.uniform1fv(shu.pointLightsParamsf._pName, this._pointLightsParamsf);
 

src/og/node/renderNode.js

@@ -254,8 +254,15 @@ og.node.RenderNode.prototype.setDrawMode = function (mode) {
 og.node.RenderNode.prototype.transformLights = function () {
     var r = this.renderer;
     for (var i = 0; i < this._pointLights.length; i++) {
-        var ii = i * 3;
-        var tp = r.activeCamera._mvMatrix.mulVec3(this._pointLights[i]._position);
+        var ii = i * 4;
+        var tp;
+        if (this._pointLights[i].directional) {
+            tp = r.activeCamera._nMatrix.mulVec(this._pointLights[i]._position);
+            this._pointLightsTransformedPositions[ii + 3] = 0;
+        } else {
+            tp = r.activeCamera._mvMatrix.mulVec3(this._pointLights[i]._position);
+            this._pointLightsTransformedPositions[ii + 3] = 1;
+        }
         this._pointLightsTransformedPositions[ii] = tp.x;
         this._pointLightsTransformedPositions[ii + 1] = tp.y;
         this._pointLightsTransformedPositions[ii + 2] = tp.z;

src/og/shaderProgram/shape.js

@@ -14,7 +14,7 @@ og.shaderProgram.shape_wl = function () {
             uTRSMatrix: { type: og.shaderProgram.types.MAT4 },
             uNMatrix: { type: og.shaderProgram.types.MAT4 },
 
-            pointLightsPositions: { type: og.shaderProgram.types.VEC3 },
+            pointLightsPositions: { type: og.shaderProgram.types.VEC4 },
             pointLightsParamsv: { type: og.shaderProgram.types.VEC3 },
             pointLightsParamsf: { type: og.shaderProgram.types.FLOAT },
 

src/og/shaderProgram/single.js

@@ -54,7 +54,7 @@ og.shaderProgram.single_wl = function () {
             fScaleDepth: { type: og.shaderProgram.types.FLOAT },
             fScaleOverScaleDepth: { type: og.shaderProgram.types.FLOAT },
 
-            pointLightsPositions: { type: og.shaderProgram.types.VEC3 },
+            pointLightsPositions: { type: og.shaderProgram.types.VEC4 },
             pointLightsParamsv: { type: og.shaderProgram.types.VEC3 },
             pointLightsParamsf: { type: og.shaderProgram.types.FLOAT }
         },

src/og/shaders/shape_wl_vs.txt

@@ -16,10 +16,9 @@ const float far = 149.6e+9;
 float logc = 2.0 / log( C * far + 1.0 );
 
 void main(void) {
-		vec4 n = uTRSMatrix * vec4(aVertexNormal, 1.0);
-        vTransformedNormal = uNMatrix * n.xyz;
         vTextureCoord = aTextureCoord;
 
+        vTransformedNormal = uNMatrix * (uTRSMatrix * vec4(aVertexNormal, 1.0)).xyz;
         vPosition = uMVMatrix * uTRSMatrix * vec4(aVertexPosition, 1.0);
         gl_Position = uPMatrix * vPosition;
 	    gl_Position.z = ( log( C * gl_Position.w + 1.0 ) * logc - 1.0 ) * gl_Position.w;

src/og/shaders/single_wl_fs.txt

@@ -5,7 +5,7 @@ uniform sampler2D uNormalMap;
 
 #define MAX_POINT_LIGHTS 1
 
-uniform vec3 pointLightsPositions[MAX_POINT_LIGHTS];
+uniform vec4 pointLightsPositions[MAX_POINT_LIGHTS];
 uniform vec3 pointLightsParamsv[MAX_POINT_LIGHTS * 3];
 uniform float pointLightsParamsf[MAX_POINT_LIGHTS];
 uniform mat3 uNMatrix;
@@ -24,7 +24,8 @@ void main(void) {
     
     vec3 normal = normalize(uNMatrix * ((texture2D(uNormalMap, vTextureCoord.zw).rgb - 0.5) * 2.0));
 
-    vec3 lightDirection = normalize(pointLightsPositions[0]/* - vPosition.xyz*/);
+    vec3 lightDirection = normalize(pointLightsPositions[0].xyz - vPosition.xyz * pointLightsPositions[0].w);
+
     vec3 eyeDirection = normalize(-vPosition.xyz);
     vec3 reflectionDirection = reflect(-lightDirection, normal);
     
@@ -36,7 +37,7 @@ void main(void) {
     float specularLightWeighting = pow( max( dot(reflectionDirection, eyeDirection), 0.0), pointLightsParamsf[0]);
     float diffuseLightWeighting = max(dot(normal, lightDirection), 0.0);
 	vec3 spec = pointLightsParamsv[2] * specularLightWeighting * shininess;
-    vec3 lightWeighting = pointLightsParamsv[0] + pointLightsParamsv[1] * diffuseLightWeighting*c0 + c1 + spec;
+    vec3 lightWeighting = pointLightsParamsv[0] + pointLightsParamsv[1] * diffuseLightWeighting * c0 + c1 + spec;
 	
 	vec3 night = 10.0 * vec3(0.58, 0.48, 0.25) * (0.31 - length(c0)) * nightImageColor.rgb;	
 
@@ -44,7 +45,8 @@ void main(void) {
 	
 	//gl_FragColor = vec4(c1, 1.0) + vec4(res.rgb * c0 + res.rgb*lightWeighting*(1.0-c0) + night * step(0.0, night) + spec, res.a);
 	//gl_FragColor = vec4(c1*lightWeighting + res.rgb * c0 *lightWeighting + res.rgb * lightWeighting * (1.0 - c0) + night * step(0.0, night) + spec , res.a);
+	//gl_FragColor = vec4(res.rgb*lightWeighting + night * step(0.0, night) + spec, res.a);
 
-	gl_FragColor = vec4(res.rgb*lightWeighting + night * step(0.0, night) + spec, res.a);
+	gl_FragColor = vec4(res.rgb * lightWeighting + night * step(0.0, night) + spec, res.a);
 
 }

src/og/shapes/baseShape.js

@@ -186,7 +186,7 @@ og.shape.BaseShape.prototype.draw = function () {
 
             sh.activate();
 
-            gl.uniform3fv(shu.pointLightsPositions._pName, rn._pointLightsTransformedPositions);
+            gl.uniform4fv(shu.pointLightsPositions._pName, rn._pointLightsTransformedPositions);
             gl.uniform3fv(shu.pointLightsParamsv._pName, rn._pointLightsParamsv);
             gl.uniform1fv(shu.pointLightsParamsf._pName, rn._pointLightsParamsf);
             gl.uniformMatrix4fv(shu.uPMatrix._pName, false, r.activeCamera._pMatrix._m);