Adjusted point light cutoff level

Corrected directional light post-rotation
Fixed engine parameter value mapping

--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4057

KREngine/KREngine/Classes/KRDirectionalLight.cpp

@@ -28,12 +28,16 @@ std::string KRDirectionalLight::getElementName() {
 }
 
 KRVector3 KRDirectionalLight::getWorldLightDirection() {
+    const GLfloat PI = 3.14159265;
+    const GLfloat d2r = PI * 2 / 360;
+    
     KRVector3 world_rotation = getLocalRotation();
-    KRVector3 light_rotation = KRVector3(0.0, 0.0, 1.0);
+    KRVector3 light_rotation = KRVector3(0.0, 0.0, -1.0);
     KRMat4 m;
     m.rotate(world_rotation.x, X_AXIS);
     m.rotate(world_rotation.y, Y_AXIS);
-    m.rotate(world_rotation.z, Z_AXIS);
+    m.rotate(world_rotation.z, X_AXIS);
+    m.rotate(-90.0 * d2r, Y_AXIS);
     KRVector3 light_direction = m.dot(light_rotation);
     return light_direction;
 }

KREngine/KREngine/Classes/KREngine.mm

@@ -1225,13 +1225,13 @@ double const PI = 3.141592653589793f;
 
 -(double)getParameterMinWithIndex: (int)i
 {
-    double minValues[32] = {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f};
+    double minValues[33] = {0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f};
     return minValues[i];
 }
 
 -(double)getParameterMaxWithIndex: (int)i
 {
-    double maxValues[32] = {PI, 2.0f * PI, PI, 3.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 3.0f, 3.0f, 3.0f, 3.0f, 3.0f, 3.0f, 2.0f, 1.0f, 1.0f, 1.0f, 5.0f, 1.0f, 0.5f, 1.0f, 2.0f, 2.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f};
+    double maxValues[33] = {PI, 2.0f * PI, PI, 3.0f, 1.0f, 1.0, 1.0f, 1.0f, 1.0f, 1.0f, 3.0f, 3.0f, 3.0f, 3.0f, 3.0f, 3.0f, 2.0f, 1.0f, 1.0f, 1.0f, 5.0f, 1.0f, 0.5f, 1.0f, 2.0f, 2.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f, 1.0f};
     return maxValues[i];
 }
 

KREngine/KREngine/Classes/KRLight.h

@@ -14,7 +14,7 @@
 
 class KRLight : public KRNode {
 public:
-    static const float KRLIGHT_MIN_INFLUENCE = 0.10f;
+    static const float KRLIGHT_MIN_INFLUENCE = 0.05f;
     
     virtual ~KRLight();
     virtual std::string getElementName() = 0;

KREngine/KREngine/Shaders/ObjectShader.fsh

@@ -126,7 +126,7 @@ void main()
     
     #if GBUFFER_PASS == 3
         lowp vec4 gbuffer_sample = texture2D(gbuffer_frame, gbuffer_uv);
-        lowp vec3 gbuffer_lamber_factor = gbuffer_sample.rgb;
+        mediump vec3 gbuffer_lamber_factor = gbuffer_sample.rgb * 5.0;
         lowp float gbuffer_specular_factor = gbuffer_sample.a;
     #endif
     

KREngine/KREngine/Shaders/light_directional.fsh

@@ -57,5 +57,5 @@ void main()
         specularFactor = clamp(pow(dot(halfVec,normalize(gbuffer_normal)), gbuffer_specular_exponent), 0.0, 1.0);
     }
     
-    gl_FragColor = vec4(light_color * lamberFactor, specularFactor) * light_intensity;
+    gl_FragColor = vec4(light_color * lamberFactor * 0.2, specularFactor) * light_intensity;
 }

KREngine/KREngine/Shaders/light_point.fsh

@@ -69,6 +69,5 @@ void main()
         specularFactor = clamp(pow(dot(halfVec,normalize(gbuffer_normal)), gbuffer_specular_exponent), 0.0, 1.0);
     }
 
-    
-    gl_FragColor = vec4(light_color * lamberFactor, specularFactor) * light_attenuation;
+    gl_FragColor = vec4(light_color * lamberFactor * 0.2, specularFactor) * light_attenuation;
 }

objview/Classes/KRObjViewGLView.mm

@@ -108,7 +108,7 @@
         [renderEngine loadResource: path];
     }
 
-    [renderEngine setNearZ: 100.0];
+    [renderEngine setNearZ: 150.0];
     [renderEngine setFarZ: 3000.0];
     //[renderEngine setNearZ: 1.0];
     //[renderEngine setFarZ: 3000.0];