This is shapes.c in view mode; [Download] [Up]
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "gltk.h"
/*#include "private.h"*/
/******************************************************************************/
#ifndef PI
#define PI 3.14159265358979323846
#endif
/******************************************************************************/
void tkWireSphere(GLuint base, float radius)
{
GLUquadricObj *quadObj;
glNewList(base, GL_COMPILE_AND_EXECUTE);
quadObj = gluNewQuadric();
gluQuadricDrawStyle(quadObj, GLU_LINE);
gluSphere(quadObj, radius, 16, 16);
glEndList();
}
/******************************************************************************/
void tkSolidSphere(GLuint base, float radius)
{
GLUquadricObj *quadObj;
glNewList(base, GL_COMPILE_AND_EXECUTE);
quadObj = gluNewQuadric();
gluQuadricDrawStyle(quadObj, GLU_FILL);
gluQuadricNormals(quadObj, GLU_SMOOTH);
gluSphere(quadObj, radius, 16, 16);
glEndList();
}
/******************************************************************************/
void tkWireCube(GLuint base, float size)
{
static float n[6][3] = {
{-1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {1.0, 0.0, 0.0},
{0.0, -1.0, 0.0}, {0.0, 0.0, 1.0}, {0.0, 0.0, -1.0}
};
static GLint faces[6][4] = {
{0, 1, 2, 3}, {3, 2, 6, 7}, {7, 6, 5, 4},
{4, 5, 1, 0}, {5, 6, 2, 1}, {7, 4, 0, 3}
};
float x0, x1, y0, y1, z0, z1, tmp;
float v[8][3];
int i;
x0 = -size / 2.0;
x1 = size / 2.0;
y0 = -size / 2.0;
y1 = size / 2.0;
z0 = -size / 2.0;
z1 = size / 2.0;
if (x0 > x1) {
tmp = x0; x0 = x1; x1 = tmp;
}
if (y0 > y1) {
tmp = y0; y0 = y1; y1 = tmp;
}
if (z0 > z1) {
tmp = z0; z0 = z1; z1 = tmp;
}
v[0][0] = v[1][0] = v[2][0] = v[3][0] = x0;
v[4][0] = v[5][0] = v[6][0] = v[7][0] = x1;
v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
v[0][2] = v[3][2] = v[4][2] = v[7][2] = z0;
v[1][2] = v[2][2] = v[5][2] = v[6][2] = z1;
glNewList(base, GL_COMPILE_AND_EXECUTE);
for (i = 0; i < 6; i++) {
glBegin(GL_LINE_LOOP);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][0]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][1]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][2]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][3]][0]);
glEnd();
}
glEndList();
}
/******************************************************************************/
void tkSolidCube(GLuint base, float size)
{
static float n[6][3] = {
{-1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {1.0, 0.0, 0.0},
{0.0, -1.0, 0.0}, {0.0, 0.0, 1.0}, {0.0, 0.0, -1.0}
};
static GLint faces[6][4] = {
{0, 1, 2, 3}, {3, 2, 6, 7}, {7, 6, 5, 4},
{4, 5, 1, 0}, {5, 6, 2, 1}, {7, 4, 0, 3}
};
float x0, x1, y0, y1, z0, z1, tmp;
float v[8][3];
int i;
x0 = -size / 2.0;
x1 = size / 2.0;
y0 = -size / 2.0;
y1 = size / 2.0;
z0 = -size / 2.0;
z1 = size / 2.0;
if (x0 > x1) {
tmp = x0; x0 = x1; x1 = tmp;
}
if (y0 > y1) {
tmp = y0; y0 = y1; y1 = tmp;
}
if (z0 > z1) {
tmp = z0; z0 = z1; z1 = tmp;
}
v[0][0] = v[1][0] = v[2][0] = v[3][0] = x0;
v[4][0] = v[5][0] = v[6][0] = v[7][0] = x1;
v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
v[0][2] = v[3][2] = v[4][2] = v[7][2] = z0;
v[1][2] = v[2][2] = v[5][2] = v[6][2] = z1;
glNewList(base, GL_COMPILE_AND_EXECUTE);
for (i = 0; i < 6; i++) {
glBegin(GL_POLYGON);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][0]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][1]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][2]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][3]][0]);
glEnd();
}
glEndList();
}
/******************************************************************************/
void tkWireBox(GLuint base, float width, float height, float depth)
{
static float n[6][3] = {
{-1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {1.0, 0.0, 0.0},
{0.0, -1.0, 0.0}, {0.0, 0.0, 1.0}, {0.0, 0.0, -1.0}
};
static GLint faces[6][4] = {
{0, 1, 2, 3}, {3, 2, 6, 7}, {7, 6, 5, 4},
{4, 5, 1, 0}, {5, 6, 2, 1}, {7, 4, 0, 3}
};
float x0, x1, y0, y1, z0, z1, tmp;
float v[8][3];
int i;
x0 = -width / 2.0;
x1 = width / 2.0;
y0 = -height / 2.0;
y1 = height / 2.0;
z0 = -depth / 2.0;
z1 = depth / 2.0;
if (x0 > x1) {
tmp = x0; x0 = x1; x1 = tmp;
}
if (y0 > y1) {
tmp = y0; y0 = y1; y1 = tmp;
}
if (z0 > z1) {
tmp = z0; z0 = z1; z1 = tmp;
}
v[0][0] = v[1][0] = v[2][0] = v[3][0] = x0;
v[4][0] = v[5][0] = v[6][0] = v[7][0] = x1;
v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
v[0][2] = v[3][2] = v[4][2] = v[7][2] = z0;
v[1][2] = v[2][2] = v[5][2] = v[6][2] = z1;
glNewList(base, GL_COMPILE_AND_EXECUTE);
for (i = 0; i < 6; i++) {
glBegin(GL_LINE_LOOP);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][0]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][1]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][2]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][3]][0]);
glEnd();
}
glEndList();
}
/******************************************************************************/
void tkSolidBox(GLuint base, float width, float height, float depth)
{
static float n[6][3] = {
{-1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {1.0, 0.0, 0.0},
{0.0, -1.0, 0.0}, {0.0, 0.0, 1.0}, {0.0, 0.0, -1.0}
};
static GLint faces[6][4] = {
{0, 1, 2, 3}, {3, 2, 6, 7}, {7, 6, 5, 4},
{4, 5, 1, 0}, {5, 6, 2, 1}, {7, 4, 0, 3}
};
float x0, x1, y0, y1, z0, z1, tmp;
float v[8][3];
int i;
x0 = -width / 2.0;
x1 = width / 2.0;
y0 = -height / 2.0;
y1 = height / 2.0;
z0 = -depth / 2.0;
z1 = depth / 2.0;
if (x0 > x1) {
tmp = x0; x0 = x1; x1 = tmp;
}
if (y0 > y1) {
tmp = y0; y0 = y1; y1 = tmp;
}
if (z0 > z1) {
tmp = z0; z0 = z1; z1 = tmp;
}
v[0][0] = v[1][0] = v[2][0] = v[3][0] = x0;
v[4][0] = v[5][0] = v[6][0] = v[7][0] = x1;
v[0][1] = v[1][1] = v[4][1] = v[5][1] = y0;
v[2][1] = v[3][1] = v[6][1] = v[7][1] = y1;
v[0][2] = v[3][2] = v[4][2] = v[7][2] = z0;
v[1][2] = v[2][2] = v[5][2] = v[6][2] = z1;
glNewList(base, GL_COMPILE_AND_EXECUTE);
for (i = 0; i < 6; i++) {
glBegin(GL_POLYGON);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][0]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][1]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][2]][0]);
glNormal3fv(&n[i][0]);
glVertex3fv(&v[faces[i][3]][0]);
glEnd();
}
glEndList();
}
/******************************************************************************/
void tkWireTorus(GLuint base, float innerRadius, float outerRadius)
{
GLint i, j;
float theta1, phi1, theta2, phi2, rings, sides;
float v0[03], v1[3], v2[3], v3[3];
float n0[3], n1[3], n2[3], n3[3];
rings = 5;
sides = 10;
glNewList(base, GL_COMPILE_AND_EXECUTE);
for (i = 0; i < rings; i++) {
theta1 = (float)i * 2.0 * PI / rings;
theta2 = (float)(i + 1) * 2.0 * PI / rings;
for (j = 0; j < sides; j++) {
phi1 = (float)j * 2.0 * PI / sides;
phi2 = (float)(j + 1) * 2.0 * PI / sides;
v0[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi1));
v0[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi1));
v0[2] = innerRadius * sin(phi1);
v1[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi1));
v1[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi1));
v1[2] = innerRadius * sin(phi1);
v2[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi2));
v2[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi2));
v2[2] = innerRadius * sin(phi2);
v3[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi2));
v3[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi2));
v3[2] = innerRadius * sin(phi2);
n0[0] = cos(theta1) * (cos(phi1));
n0[1] = -sin(theta1) * (cos(phi1));
n0[2] = sin(phi1);
n1[0] = cos(theta2) * (cos(phi1));
n1[1] = -sin(theta2) * (cos(phi1));
n1[2] = sin(phi1);
n2[0] = cos(theta2) * (cos(phi2));
n2[1] = -sin(theta2) * (cos(phi2));
n2[2] = sin(phi2);
n3[0] = cos(theta1) * (cos(phi2));
n3[1] = -sin(theta1) * (cos(phi2));
n3[2] = sin(phi2);
glBegin(GL_LINE_LOOP);
glNormal3fv(n3);
glVertex3fv(v3);
glNormal3fv(n2);
glVertex3fv(v2);
glNormal3fv(n1);
glVertex3fv(v1);
glNormal3fv(n0);
glVertex3fv(v0);
glEnd();
}
}
glEndList();
}
/******************************************************************************/
void tkSolidTorus(GLuint base, float innerRadius, float outerRadius)
{
GLint i, j;
float theta1, phi1, theta2, phi2, rings, sides;
float v0[03], v1[3], v2[3], v3[3];
float n0[3], n1[3], n2[3], n3[3];
rings = 5;
sides = 10;
glNewList(base, GL_COMPILE_AND_EXECUTE);
for (i = 0; i < rings; i++) {
theta1 = (float)i * 2.0 * PI / rings;
theta2 = (float)(i + 1) * 2.0 * PI / rings;
for (j = 0; j < sides; j++) {
phi1 = (float)j * 2.0 * PI / sides;
phi2 = (float)(j + 1) * 2.0 * PI / sides;
v0[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi1));
v0[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi1));
v0[2] = innerRadius * sin(phi1);
v1[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi1));
v1[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi1));
v1[2] = innerRadius * sin(phi1);
v2[0] = cos(theta2) * (outerRadius + innerRadius * cos(phi2));
v2[1] = -sin(theta2) * (outerRadius + innerRadius * cos(phi2));
v2[2] = innerRadius * sin(phi2);
v3[0] = cos(theta1) * (outerRadius + innerRadius * cos(phi2));
v3[1] = -sin(theta1) * (outerRadius + innerRadius * cos(phi2));
v3[2] = innerRadius * sin(phi2);
n0[0] = cos(theta1) * (cos(phi1));
n0[1] = -sin(theta1) * (cos(phi1));
n0[2] = sin(phi1);
n1[0] = cos(theta2) * (cos(phi1));
n1[1] = -sin(theta2) * (cos(phi1));
n1[2] = sin(phi1);
n2[0] = cos(theta2) * (cos(phi2));
n2[1] = -sin(theta2) * (cos(phi2));
n2[2] = sin(phi2);
n3[0] = cos(theta1) * (cos(phi2));
n3[1] = -sin(theta1) * (cos(phi2));
n3[2] = sin(phi2);
glBegin(GL_POLYGON);
glNormal3fv(n3);
glVertex3fv(v3);
glNormal3fv(n2);
glVertex3fv(v2);
glNormal3fv(n1);
glVertex3fv(v1);
glNormal3fv(n0);
glVertex3fv(v0);
glEnd();
}
}
glEndList();
}
/******************************************************************************/
void tkWireCylinder(GLuint base, float radius, float height)
{
GLUquadricObj *quadObj;
glNewList(base, GL_COMPILE_AND_EXECUTE);
glPushMatrix();
glRotatef(90.0, 1.0, 0.0, 0.0);
glTranslatef(0.0, 0.0, -1.0);
quadObj = gluNewQuadric();
gluQuadricDrawStyle(quadObj, GLU_LINE);
gluCylinder(quadObj, radius, radius, height, 12, 2);
glPopMatrix();
glEndList();
}
/******************************************************************************/
void tkSolidCylinder(GLuint base, float radius, float height)
{
GLUquadricObj *quadObj;
glNewList(base, GL_COMPILE_AND_EXECUTE);
glPushMatrix();
glRotatef(90.0, 1.0, 0.0, 0.0);
glTranslatef(0.0, 0.0, -1.0);
quadObj = gluNewQuadric();
gluQuadricDrawStyle(quadObj, GLU_FILL);
gluQuadricNormals(quadObj, GLU_SMOOTH);
gluCylinder(quadObj, radius, radius, height, 12, 2);
glPopMatrix();
glEndList();
}
/******************************************************************************/
void tkWireCone(GLuint base, float b, float h)
{
GLUquadricObj *quadObj;
glNewList(base, GL_COMPILE_AND_EXECUTE);
quadObj = gluNewQuadric();
gluQuadricDrawStyle(quadObj, GLU_LINE);
gluCylinder(quadObj, b, 0.0, h, 15, 10);
glEndList();
}
/******************************************************************************/
void tkSolidCone(GLuint base, float b, float h)
{
GLUquadricObj *quadObj;
glNewList(base, GL_COMPILE_AND_EXECUTE);
quadObj = gluNewQuadric();
gluQuadricDrawStyle(quadObj, GLU_FILL);
gluQuadricNormals(quadObj, GLU_SMOOTH);
gluCylinder(quadObj, b, 0.0, h, 15, 10);
glEndList();
}
/******************************************************************************/
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.