Beleuchtung hinzugefügt

6 files changed, 97 insertions, 34 deletions

diff --git a/DisplayClass.cpp b/DisplayClass.cpp
index 2741fce..35083d9 100644
--- a/DisplayClass.cpp
+++ b/DisplayClass.cpp
@@ -1,7 +1,7 @@
 #include "DisplayClass.h"
 #include "Matrix.h"

 #include "gl.h"
-#include <algorithm>
+//#include <algorithm>
 #include "Trapezocube.h"

 

 

@@ -20,28 +20,35 @@ DisplayClass::DisplayClass() {
 

 void DisplayClass::renderScene(unsigned long delta)

 {
-//  Cubehole cubeing(3.0, 1.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.5);
-  Trapezocube cubeing(2.0, 1.5, 3.0, 0.5, 0.0, 0.0, 0.0, 90);
+  //Cubehole cubeing(3.0, 1.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.5);
+  Trapezocube cubeing1(11.0, 10.0, 10.0, 0.5, 0.0, 0.0, 1.75, 0);
+  Trapezocube cubeing2(10.0, 9.0, 9.0, 0.5, 0.0, 0.0, 2.25, 90);
+  Trapezocube cubeing3(9.0, 8.0, 8.0, 0.5, 0.0, 0.0, 2.75, 180);
+  Trapezocube cubeing4(8.0, 7.0, 7.0, 0.5, 0.0, 0.0, 3.25, 270);
+  Trapezocube cubeing5(7.0, 6.0, 6.0, 0.5, 0.0, 0.0, 3.75, 0);
+  Trapezocube cubeing6(6.0, 5.0, 5.0, 0.5, 0.0, 0.0, 4.25, 90);
+  Trapezocube cubeing7(5.0, 4.0, 4.0, 0.5, 0.0, 0.0, 4.75, 180);
+  Trapezocube cubeing8(4.0, 3.0, 3.0, 0.5, 0.0, 0.0, 5.25, 270);
   static float angle = 0.0;

-  angle += delta*0.05;

+  angle += delta*0.025;

   if(angle >= 360)

     angle -= 360;

 

   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

   
-  Matrix p(GL_PROJECTION_MATRIX);

-  Matrix m;

+  //atrix p(GL_PROJECTION_MATRIX);

+  //Matrix m;

   

   std::list<Triangle> triangles;
 
   glLoadIdentity(); // Clean up matrix

-  glTranslatef(0.0, 0.0, -10.0); // Then set up transformation

+  glTranslatef(0.0, 0.0, -30.0); // Then set up transformation

   glRotatef(angle, 0.0, 1.0, 0.0);

   glRotatef(angle*2, 1.0, 0.0, 0.0);

   glRotatef(angle*3, 0.0, 0.0, 1.0);

   
   glRotatef(-angle*5, 1.0, 1.0, 1.0);
-  m.store(); // Save current transformation
+  //m.store(); // Save current transformation
   
   /*for(int i = 0; i < 5; ++i) {
     for(int j = 0; j < 5; ++j) {

@@ -51,10 +58,24 @@ void DisplayClass::renderScene(unsigned long delta)
       }
     }
   }*/
-  std::list<Triangle> ct = cubeing.getTriangles(m);
-  triangles.splice(triangles.end(), ct);
+  std::list<Triangle> ct1 = cubeing1.getTriangles();
+  triangles.splice(triangles.end(), ct1);
+  std::list<Triangle> ct2 = cubeing2.getTriangles();
+  triangles.splice(triangles.end(), ct2);
+  std::list<Triangle> ct3 = cubeing3.getTriangles();
+  triangles.splice(triangles.end(), ct3);
+  std::list<Triangle> ct4 = cubeing4.getTriangles();
+  triangles.splice(triangles.end(), ct4);
+  std::list<Triangle> ct5 = cubeing5.getTriangles();
+  triangles.splice(triangles.end(), ct5);
+  std::list<Triangle> ct6 = cubeing6.getTriangles();
+  triangles.splice(triangles.end(), ct6);
+  std::list<Triangle> ct7 = cubeing7.getTriangles();
+  triangles.splice(triangles.end(), ct7);
+  std::list<Triangle> ct8 = cubeing8.getTriangles();
+  triangles.splice(triangles.end(), ct8);
 

-  glLoadIdentity();

+  //glLoadIdentity();

 
   glBegin(GL_TRIANGLES);
   for(std::list<Triangle>::reverse_iterator t = triangles.rbegin(); t != triangles.rend(); ++t) {
diff --git a/Trapezocube.cpp b/Trapezocube.cpp
index e9877de..24bcfc3 100644
--- a/Trapezocube.cpp
+++ b/Trapezocube.cpp
@@ -1,27 +1,32 @@
 #include "Trapezocube.h"
 
-std::list<Triangle> Trapezocube::getTriangles(const Matrix &modelview)
+std::list<Triangle> Trapezocube::getTriangles(/*const Matrix &modelview*/)
 {
   std::list<Triangle> triangles;
   // width, height, depth
-  //glRotatef(rotate, 0.0, 1.0, 0.0);
+
+  glPushMatrix();
+  glLoadIdentity();
+  glRotatef(rotate, 0.0, 1.0, 0.0);
+  Matrix rotation;
+  glPopMatrix();
   // Front face
   Color c(0.0, 0.0, 1.0, 0.5);
 
   triangles.push_back(Triangle(Vertex(x-widthfront/2, y+height/2, z+depth/2),
-                               Vertex(x+widthfront/2, y+height/2, z+depth/2),
-                               Vertex(x-widthfront/2, y-height/2, z+depth/2), c));
+                               Vertex(x-widthfront/2, y-height/2, z+depth/2),
+                               Vertex(x+widthfront/2, y+height/2, z+depth/2), c));
 
   triangles.push_back(Triangle(Vertex(x-widthfront/2, y-height/2, z+depth/2),
-                               Vertex(x+widthfront/2, y+height/2, z+depth/2),
-                               Vertex(x+widthfront/2, y-height/2, z+depth/2), c));
+                               Vertex(x+widthfront/2, y-height/2, z+depth/2),
+                               Vertex(x+widthfront/2, y+height/2, z+depth/2), c));
 
   // Back face
   c = Color(1.0, 1.0, 0.0, 0.5);
 
   triangles.push_back(Triangle(Vertex(x-widthback/2, y+height/2, z-depth/2),
-                               Vertex(x-widthback/2, y-height/2, z-depth/2),
-                               Vertex(x+widthback/2, y+height/2, z-depth/2), c));
+                               Vertex(x+widthback/2, y+height/2, z-depth/2),
+                               Vertex(x-widthback/2, y-height/2, z-depth/2), c));
 
   triangles.push_back(Triangle(Vertex(x-widthback/2, y-height/2, z-depth/2),
                                Vertex(x+widthback/2, y+height/2, z-depth/2),
@@ -30,13 +35,13 @@ std::list<Triangle> Trapezocube::getTriangles(const Matrix &modelview)
   // Left face
   c = Color(0.0, 1.0, 0.0, 0.5);
 
-  triangles.push_back(Triangle(Vertex(x-widthfront /2, y+height/2, z+depth/2),
-                               Vertex(x-widthfront /2, y-height/2, z+depth/2),
-                               Vertex(x-widthback /2, y+height/2, z-depth/2), c));
+  triangles.push_back(Triangle(Vertex(x-widthfront/2, y+height/2, z+depth/2),
+                               Vertex(x-widthback /2, y+height/2, z-depth/2),
+                               Vertex(x-widthfront/2, y-height/2, z+depth/2), c));
 
   triangles.push_back(Triangle(Vertex(x-widthback /2, y-height/2, z-depth/2),
-                               Vertex(x-widthback /2, y+height/2, z-depth/2),
-                               Vertex(x-widthfront /2, y-height/2, z+depth/2), c));
+                               Vertex(x-widthfront/2, y-height/2, z+depth/2),
+                               Vertex(x-widthback /2, y+height/2, z-depth/2), c));
 
   // Right face
 
@@ -62,15 +67,16 @@ std::list<Triangle> Trapezocube::getTriangles(const Matrix &modelview)
   // Bottom face
 
   triangles.push_back(Triangle(Vertex(x-widthfront/2, y-height/2, z+depth/2),
-                               Vertex(x+widthfront/2, y-height/2, z+depth/2),
-                               Vertex(x-widthback /2, y-height/2, z-depth/2), c));
+                               Vertex(x-widthback /2, y-height/2, z-depth/2),
+                               Vertex(x+widthfront/2, y-height/2, z+depth/2), c));
 
   triangles.push_back(Triangle(Vertex(x+widthfront/2, y-height/2, z+depth/2),
-                               Vertex(x+widthback /2, y-height/2, z-depth/2),
-                               Vertex(x-widthback /2, y-height/2, z-depth/2), c));
+                               Vertex(x-widthback /2, y-height/2, z-depth/2),
+                               Vertex(x+widthback /2, y-height/2, z-depth/2), c));
 
   for(std::list<Triangle>::iterator t = triangles.begin(); t != triangles.end(); ++t) {
-    t->transform(modelview);
+    t->transform(rotation);
+    //t->transform(modelview);
   }
 
   return triangles;
diff --git a/Trapezocube.h b/Trapezocube.h
index b2cdd9a..3d64eaa 100644
--- a/Trapezocube.h
+++ b/Trapezocube.h
@@ -9,8 +9,8 @@
 class Trapezocube
 {
   public:
-    Trapezocube(): widthfront(0), widthback(0), height(0), depth(0), x(0), y(0), z(0) {}
-    Trapezocube(float widthfront, float widthback, float height, float depth): x(0), y(0), z(0){
+    Trapezocube(): widthfront(0), widthback(0), height(0), depth(0), x(0), y(0), z(0), rotate(0) {}
+    Trapezocube(float widthfront, float widthback, float height, float depth): x(0), y(0), z(0), rotate(0){
       setSize(widthfront, widthback, height, depth);
     }
     Trapezocube(float widthfront, float widthback, float height, float depth, float x, float y, float z): rotate(0) {
@@ -45,7 +45,7 @@ class Trapezocube
     }
     void setRotate(float r) {rotate = r;}
     void setColor(Color col) {color = col;}
-    std::list<Triangle> getTriangles(const Matrix &modelview);
+    std::list<Triangle> getTriangles(/*const Matrix &modelview*/);
 
   private:
     float x, y, z, widthfront, widthback, height, depth, rotate;
diff --git a/Triangle.h b/Triangle.h
index 807b5b9..3ce5845 100644
--- a/Triangle.h
+++ b/Triangle.h
@@ -20,9 +20,26 @@ class Triangle
     const Vertex& getVertex(int i) const {return v[i];}
     const Color& getColor() const {return c;}
     
+    Vertex getNormal() const {
+      Vector v1 = v[0]-v[2];
+      Vector v2 = v[0]-v[1];
+
+      return v1.cross(v2).normalize();
+    }
+
     void render() const {
-      glColor4f(c.getR(), c.getG(), c.getB(), c.getA());
+      //glColor4f(c.getR(), c.getG(), c.getB(), c.getA());
+      float color[] = {c.getR(), c.getG(), c.getB(), c.getA()};
+      glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, color);
+
+      for(int i = 0; i < 3; ++i) {
+        color[i] /= 2;
+      }
+      glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, color);
       
+      Vector normal = getNormal();
+      glNormal3f(normal.getX(), normal.getY(), normal.getZ());
+
       for(int i = 0; i < 3; ++i)
       {
         glVertex3f(v[i].getX(), v[i].getY(), v[i].getZ());
diff --git a/Vector.h b/Vector.h
index f884c49..cb55637 100644
--- a/Vector.h
+++ b/Vector.h
@@ -2,6 +2,7 @@
 #define _VECTOR_H_
 
 #include "Vertex.h"
+#include <math.h>
 
 class Vector : public Vertex {
   public:
@@ -33,6 +34,14 @@ class Vector : public Vertex {
     float dot(const Vector &v) const {
       return x*v.x + y*v.y + z*v.z;
     }
+
+    float length() const {
+      return sqrtf(x*x+y*y+z*z);
+    }
+
+    Vector normalize() const {
+      return *this/length();
+    }
 };
 
 static inline Vector operator-(const Vertex &v1, const Vertex &v2) {
diff --git a/main.cpp b/main.cpp
index 76838a2..5f24b9a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -18,7 +18,7 @@ void initGL(bool multisample);
 void resize(int width, int height);
 
 void initGL(bool multisample) {
-  glClearColor(0.0, 0.0, 0.0, 1.0);
+  glClearColor(1.0, 0.85, 0.06, 1.0);
   glClearDepth(1.0);
   glEnable(GL_DEPTH_TEST);
   glDepthFunc(GL_LEQUAL);
@@ -32,6 +32,16 @@ void initGL(bool multisample) {
 #endif
 
   resize(DEFAULT_WIDTH, DEFAULT_HEIGHT);
+
+  glEnable(GL_LIGHTING);
+  static const float light[] = {-1, -1, -1, 0};
+  static const float lightColor[] = {1, 1, 1, 1};
+  glLightfv(GL_LIGHT0, GL_POSITION, light);
+  glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
+  glEnable(GL_LIGHT0);
+
+  glEnable(GL_CULL_FACE);
+  glFrontFace(GL_CCW);
 }
 
 void resize(int width, int height)