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CS4451/proj1/proj1.c

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+
+/*
+put your name here, just in case ****
+Project 1: Ray Tracing
+CS4451A, Spring 2005
+*/
+
+#include <math.h>
+#include <fstream.h>
+#include <iostream.h>
+#include <stdlib.h>
+#include <vector.h>
+#include "defs.h"
+#include "functions.h"
+
+/* ------------- Main ------------ */
+
+int main ( )
+{
+    
+    /* First, get the necessary data */
+    int m, n;           // specify the output image size, assuming m x n
+    Point e, l;         // viewpoint e, lower left corner l
+    Vector h, v;        // vectors vertical and horizontal edges
+    Light light;        // Light source
+    float ambience;     // Ambient light intensity
+    int numPrimitives;  // Number of Primitives
+    vector<Primitive> primitives;
+    
+
+    /* ------------ Scan Input ---------------- */
+
+    /* Begin scanning the input assuming 80 column lines */
+    char* input = (char*)malloc(sizeof(char) * 81);
+    char* pEnd;
+    
+    //Get m and n
+    cin.getline(input, 81);
+    m = strtol(input, &pEnd, 10);
+    n = strtol(pEnd,NULL,10);
+    #ifdef bDebug
+        printObject(m);
+        printObject(n);
+    #endif
+
+    //Get e
+    scanInput(e,input);
+    #ifdef bDebug
+        printObject(e);
+    #endif
+
+    //Get l
+    scanInput(l,input);
+    #ifdef bDebug
+        printObject(l);
+    #endif
+
+    //Get h
+    scanInput(h,input);
+    #ifdef bDebug
+        printObject(h);
+    #endif
+
+    //Get v
+    scanInput(v,input);
+    #ifdef bDebug
+        printObject(v);
+    #endif
+
+    //Get Light
+    scanInput(light,input);
+    #ifdef bDebug
+        printObject(light);
+    #endif
+
+    //Get ambient light level
+    cin.getline(input,81);
+    ambience = strtof(input, NULL);
+    #ifdef bDebug
+        printObject(ambience);
+    #endif
+
+    //Get Primitive count
+    cin.getline(input,81);
+    numPrimitives = strtol(input,NULL,10);
+    primitives.resize(numPrimitives);
+    #ifdef bDebug
+        printObject(numPrimitives);
+    #endif
+
+    scanInput(primitives,numPrimitives, input);
+
+    /* ------------ Do the actual raytracing ---------------- */
+
+
+    #if 0
+    int x,y;
+
+    /* create a little example.... */
+
+    image img(256,256);
+    for ( x=0; x<256; x++ ) {
+        for ( y=0; y<256; y++ )
+        {
+            RGB &pix = img.pixel(x,y);
+
+            /* call your raytracer here, then assign the rgb values
+             it returns to the pixel */
+
+            pix.r = x/255.0;
+            pix.g = y/255.0;
+            pix.b = (2-(x/255.0+y/255.0))/2;
+        }
+    }
+
+    /* dump the image to standard output */
+    cout << img;
+    #endif
+
+
+
+    return 0;
+}