void objload(const char *name,OBJECT *k) /* Loads Object From File (name) */
{
int i; /* Loop index */
int ver; /* Will Hold Vertice Count */
float rx,ry,rz; /* Hold Vertex X, Y & Z Position */
FILE *filein; /* Filename To Open */
char oneline[255]; /* Holds One Line Of Text (255 Chars Max) */
filein = fopen(name, "rt"); /* Opens The File For Reading Text In Translated Mode */
if(NULL == filein) /* Test if file opening failed */
{
printf("Error loading file %s: objload\n",name);
exit(1); /* exit */
}
/* CTRL Z Symbolizes End Of File In Translated Mode */
readstr(filein,oneline); /* Jumps To Code That Reads One Line Of Text From The File */
sscanf(oneline, "Vertices: %d\n", &ver); /* Scans Text For "Vertices: ". Number After Is Stored In ver */
k->verts=ver; /* Sets Objects verts Variable To Equal The Value Of ver */
objallocate(k,ver); /* Jumps To Code That Allocates Ram To Hold The Object */
for(i = 0;i < ver;i++) /* Loops Through The Vertices */
{
readstr(filein,oneline); /* Reads In The Next Line Of Text */
sscanf(oneline, "%f %f %f", &rx, &ry, &rz); /* Searches For 3 Floating Point Numbers, Store In rx,ry & rz */
k->points[i].x = rx; /* Sets Objects (k) points.x Value To rx */
k->points[i].y = ry; /* Sets Objects (k) points.y Value To ry */
k->points[i].z = rz; /* Sets Objects (k) points.z Value To rz */
}
fclose(filein); /* Close The File */
if(ver > maxver) /* If ver Is Greater Than maxver Set maxver Equal To ver */
maxver = ver; /* Keeps Track Of Highest Number Of Vertices Used In Any Of The Objects */
}
void objload(char *name,Obj *k) // Loads Object From File (name)
{
int ver; // Will Hold Vertice Count
float rx,ry,rz; // Hold Vertex X, Y & Z Position
FILE *filein; // Filename To Open
char oneline[255]; // Holds One Line Of Text (255 Chars Max)
filein = fopen(name, "rt"); // Opens The File For Reading Text In Translated Mode
// CTRL Z Symbolizes End Of File In Translated Mode
readstr(filein,oneline); // Jumps To Code That Reads One Line Of Text From The File
sscanf(oneline, "Vertices: %d\n", &ver); // Scans Text For "Vertices: ". Number After Is Stored In ver
k->verts=ver; // Sets Objects verts Variable To Equal The Value Of ver
objallocate(k,ver); // Jumps To Code That Allocates Ram To Hold The Object
for (int i=0;i<ver;i++) // Loops Through The Vertices
{
readstr(filein,oneline); // Reads In The Next Line Of Text
sscanf(oneline, "%f %f %f", &rx, &ry, &rz); // Searches For 3 Floating Point Numbers, Store In rx,ry & rz
k->points[i].x = rx; // Sets Objects (k) points.x Value To rx
k->points[i].y = ry; // Sets Objects (k) points.y Value To ry
k->points[i].z = rz; // Sets Objects (k) points.z Value To rz
printf("%f %f %f\n", rx, ry, rz);
}
fclose(filein); // Close The File
if(ver>maxver) maxver=ver; // If ver Is Greater Than maxver Set maxver Equal To ver
}
int Initialize() /* All Setup For OpenGL Goes Here */
{
int i; /* Loop index */
glBlendFunc(GL_SRC_ALPHA,GL_ONE); /* Set The Blending Function For Translucency */
glClearColor(0.0f, 0.0f, 0.0f, 0.0f); /* This Will Clear The Background Color To Black */
glClearDepth(1.0); /* Enables Clearing Of The Depth Buffer */
glDepthFunc(GL_LESS); /* The Type Of Depth Test To Do */
glEnable(GL_DEPTH_TEST); /* Enables Depth Testing */
glShadeModel(GL_SMOOTH); /* Enables Smooth Color Shading */
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); /* Really Nice Perspective Calculations */
maxver=0; /* Sets Max Vertices To 0 By Default */
objload("data/Sphere.txt",&morph1); /* Load The First Object Into morph1 From File sphere.txt */
objload("data/Torus.txt",&morph2); /* Load The Second Object Into morph2 From File torus.txt */
objload("data/Tube.txt",&morph3); /* Load The Third Object Into morph3 From File tube.txt */
objallocate(&morph4,486); /* Manually Reserver Ram For A 4th 468 Vertice Object (morph4) */
for(i = 0;i < 486;i++) /* Loop Through All 468 Vertices */
{
morph4.points[i].x=((float)(rand()%14000)/1000)-7; /* morph4 x Point Becomes A Random Float Value From -7 to 7 */
morph4.points[i].y=((float)(rand()%14000)/1000)-7; /* morph4 y Point Becomes A Random Float Value From -7 to 7 */
morph4.points[i].z=((float)(rand()%14000)/1000)-7; /* morph4 z Point Becomes A Random Float Value From -7 to 7 */
}
objload("data/Sphere.txt",&helper); /* Load sphere.txt Object Into Helper (Used As Starting Point) */
sour = dest = &morph1; /* Source & Destination Are Set To Equal First Object (morph1) */
return True; /* Initialization Went OK */
}
void myInit(void)
{
glClearColor(0.0,0.0,0.0,0.0);
glClearDepth(1.0); // Enables Clearing Of The Depth Buffer
//------------------------------------------------------------Object & Texture
// readFile("/Users/jiharu/svn/594CM/gl_obj/obj/triangular/Shatter1.obj");
loadTextures();
#pragma mark blend
//DEFINE NIGTHS in some INIT function..
glEnable(GL_LIGHTING); //enable lighting
glShadeModel (GL_SMOOTH); //GL_SMOOTH, GL_FLAT
//glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // Really Nice Perspective Calculations
#pragma mark Morph obj loader 2/4
//------------------------------------------------------------Morph obj loader
maxver=0; // Sets Max Vertices To 0 By Default
objload("/Users/jiharu/svn/594CM/gl_obj/obj/morph/obj3.obj",&morph1);
objload("/Users/jiharu/svn/594CM/gl_obj/obj/morph/obj2.obj",&morph2);
objload("/Users/jiharu/svn/594CM/gl_obj/obj/morph/obj4.obj",&morph3);
objallocate(&morph4,382); // Manually Reserver Ram For A 4th 468 Vertice Object (morph4) New object has 382 vertices
for(int i=0;i<382;i++) // Loop Through All 468 Vertices
{
morph4.points[i].x=((float)(rand()%300)/100)-1.5; // morph4 x Point Becomes A Random Float Value From -7 to 7
morph4.points[i].y=((float)(rand()%300)/100)-1.5; // morph4 y Point Becomes A Random Float Value From -7 to 7
morph4.points[i].z=((float)(rand()%300)/100)-1.5; // morph4 z Point Becomes A Random Float Value From -7 to 7
}
objload("/Users/jiharu/svn/594CM/gl_obj/obj/morph/obj3.obj",&helper); // Load sphere.txt Object Into Helper (Used As Starting Point)
sour=dest=&morph1; // Source & Destination Are Set To Equal First Object (morph1)
#pragma mark -
#pragma mark light
//------------------------------------------------------------Light
//define the lighting model
float ambient[] = {0.08, 0.08, 0.01, 1.0};
float diffuse[] = {0.7, 0.7, 0.0, 1.0};
float specular[] = {0.3, 0.3, 0.3, 1.0};
glEnable(GL_LIGHT0); //turn on one of the lights
// glDisable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, specular);
//------------------------------------------------------------Spot Light 1, 2, & 3
float spot_direction1[] = { 0.0, -1.0, 0.0 };
float ambient1[] = {0.01, .2, 0.5, 1.0};
float diffuse1[] = {0.01, 0.5, 0.5, 1.0};
float specular1[] = {0.0, 0.8, 0.8, 1.0};
glEnable(GL_LIGHT1); //turn on one of the lights
// glDisable(GL_LIGHT1);
glLightfv(GL_LIGHT1, GL_AMBIENT, ambient1);
glLightfv(GL_LIGHT1, GL_DIFFUSE, diffuse1);
glLightfv(GL_LIGHT1, GL_SPECULAR, specular1);
glLightfv(GL_LIGHT1, GL_SPOT_DIRECTION, spot_direction1);
glLightf(GL_LIGHT1, GL_CONSTANT_ATTENUATION, 1.5);
glLightf(GL_LIGHT1, GL_LINEAR_ATTENUATION, 0.5);
glLightf(GL_LIGHT1, GL_QUADRATIC_ATTENUATION, 0.2);
glLightf (GL_LIGHT1, GL_SPOT_CUTOFF, 30.0); // degrees
glLightf (GL_LIGHT1, GL_SPOT_EXPONENT, 2.0);
float spot_direction2[] = { 0.0, -1.0, 0.0 };
float ambient2[] = {0.2, 0.1, 0.5, 1.0};
float diffuse2[] = {0.2, 0.5, 0.8, 1.0};
float specular2[] = {0.0, 0.8, 0.8, 1.0};
glEnable(GL_LIGHT2); //turn on one of the lights
// glDisable(GL_LIGHT2);
glLightfv(GL_LIGHT2, GL_AMBIENT, ambient2);
glLightfv(GL_LIGHT2, GL_DIFFUSE, diffuse2);
glLightfv(GL_LIGHT2, GL_SPECULAR, specular2);
glLightfv(GL_LIGHT2, GL_SPOT_DIRECTION, spot_direction2);
glLightf(GL_LIGHT2, GL_CONSTANT_ATTENUATION, 1.5);
glLightf(GL_LIGHT2, GL_LINEAR_ATTENUATION, 0.8);
glLightf(GL_LIGHT2, GL_QUADRATIC_ATTENUATION, 0.2);
glLightf (GL_LIGHT2, GL_SPOT_CUTOFF, 45.0); // degrees
glLightf (GL_LIGHT2, GL_SPOT_EXPONENT, 1.0);
float spot_direction3[] = { .5, -1.0, 0.0 };
float ambient3[] = {0.5, 0.5, 0.5, 1.0};
float diffuse3[] = {1.0, 1.0, 1.0, 1.0};
float specular3[] = {1.0, 1.0, 1.0, 1.0};
glEnable(GL_LIGHT3); //turn on one of the lights
// glDisable(GL_LIGHT2);
glLightfv(GL_LIGHT3, GL_AMBIENT, ambient3);
glLightfv(GL_LIGHT3, GL_DIFFUSE, diffuse3);
glLightfv(GL_LIGHT3, GL_SPECULAR, specular3);
glLightfv(GL_LIGHT3, GL_SPOT_DIRECTION, spot_direction3);
glLightf(GL_LIGHT3, GL_CONSTANT_ATTENUATION, 0.5);
glLightf(GL_LIGHT3, GL_LINEAR_ATTENUATION, 0.8);
glLightf(GL_LIGHT3, GL_QUADRATIC_ATTENUATION, 0.2);
glLightf (GL_LIGHT3, GL_SPOT_CUTOFF, 45.0); // degrees
glLightf (GL_LIGHT3, GL_SPOT_EXPONENT, 2.0);
#pragma mark material
//------------------------------------------------------------material
//define the material of the object
float mat_shininess[] = { 50. };
float mat_ambient[] = { 0.7, 0.7, 0.7, 1.0 };
float mat_diffuse[] = { 0.1, 0.5, 0.8, 1.0 };
float mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
float mat_emission[] = {1.0, 0.1, 0.1, 1.0};
glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClearAccum(0.0, 0.0, 0.0, 0.0);
checkForGLErrors("clearInit");
}
