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CS4451/proj4/structs.h

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+#ifndef _STRUCTS_H_
+#define _STRUCTS_H_
+
+#include "defs.h"
+#include <iostream>
+
+#include <GL/glut.h>
+#include <math.h>
+
+using namespace std;
+
+typedef struct MaterialAttributes {
+    m_float k_dr, k_dg, k_db; //diffuse properties, rgb
+    m_float k_ar, k_ag, k_ab; //ambient properties, rgb
+    m_float k_s;              //specular properties, rgb same
+    m_float n_spec;           //specular exponent
+
+    MaterialAttributes() {
+        k_dr = k_dg = k_db = k_ar = k_ag = k_ab = k_s = n_spec = 0;
+    }
+
+    void printMe() {
+        cout << " MaterialAttributes:\n";
+        cout << "  k_dr: " << k_dr << " k_dg: " << k_dg << " k_db: " << k_db << endl;
+        cout << "  k_ar: " << k_ar << " k_ag: " << k_ag << " k_ab: " << k_ab << endl;
+        cout << "  k_s:  " << k_s  << " n_spec: " << n_spec << endl;
+    }
+} MaterialAttributes;
+
+typedef struct Point {
+    m_float x,y,z;
+    void printMe() {
+        cout << " x: " << x << " y: " << y << " z: " << z << endl;
+    }
+    Point() {
+        x = y = z =0;
+    }
+    inline static void add(Point& dest, Point src1, Point src2) {
+        dest.x = src1.x + src2.x;
+        dest.y = src1.y + src2.y;
+        dest.z = src1.z + src2.z;
+    }
+    
+    inline static void sub(Point& dest, Point src1, Point src2) {
+        dest.x = src1.x - src2.x;
+        dest.y = src1.y - src2.y;
+        dest.z = src1.z - src2.z;
+    }
+    
+    inline static void div(Point& dest, Point src1, Point src2) {
+        dest.x = src1.x / src2.x;
+        dest.y = src1.y / src2.y;
+        dest.z = src1.z / src2.z;
+    }
+
+    inline static void mul(Point& dest, Point src1, Point src2) {
+        dest.x = src1.x * src2.x;
+        dest.y = src1.y * src2.y;
+        dest.z = src1.z * src2.z;
+    }
+
+    inline static void mul(Point& dest, Point src, m_float src2) {
+        dest.x = src.x*src2;
+        dest.y = src.y*src2;
+        dest.z = src.z*src2;
+    }
+
+    inline static void exp(Point& dest, Point src, m_float exp) {
+        dest.x = pow(src.x, exp);
+        dest.y = pow(src.y, exp);
+        dest.z = pow(src.z, exp);
+    }
+
+    inline m_float magnitude() {
+        return sqrt(pow(this->x,2) + pow(this->y,2) + pow(this->z,2));
+    }
+
+    inline static Point normalize(Point src) {
+        Point p = src;
+        p.x /= src.magnitude();
+        p.y /= src.magnitude();
+        p.z /= src.magnitude();
+        return p;
+    }
+
+    inline static void dot(Point& dest, Point src1, Point src2) {
+        dest.x = src1.x * src2.x;
+        dest.y = src1.y * src2.y;
+        dest.z = src1.z * src2.z;
+    }
+
+    inline static void cross(Point &dest, Point &a, Point &b) {
+    dest.x = ( (a.y*b.z) - (a.z*b.y) ); //i
+    dest.y = ( (a.z*b.x) - (a.x*b.z) ); //j
+    dest.z = ( (a.x*b.y) - (a.y*b.x) ); //k
+}
+
+} Point;
+
+typedef struct Sphere {
+    MaterialAttributes m_attr;
+    Point center;
+    GLUquadricObj* glSphere;
+    m_float radius;
+
+    Sphere() {
+        glSphere = NULL;
+    }
+
+    void printMe() {
+        cout << "Sphere: " << endl;
+        cout << " Center ";
+        center.printMe();
+        cout << " Radius: " << radius << endl;
+        m_attr.printMe();
+        
+    }
+} Sphere;
+
+typedef struct Triangle {
+    MaterialAttributes m_attr;
+    Point a1, a2, a3;
+} Triangle;
+
+typedef struct Light {
+    Point center;
+    m_float intensity;
+} Light;
+
+
+
+#endif