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park.c
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park.c
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/*
* The 'Park' by Mahmoud Aljarrash
*
* Mahmoud Aljarrash
* CSCI5229 Fall 2017
*
*
*
Key bindings:
l Toggle lighting on/off
f Toggle fireworks on/off
a/A decrease/increase ambient light
d/D decrease/increase diffuse light
s/S decrease/increase specular light
e/E decrease/increase emitted light
n/N Decrease/increase shininess
[ ] Lower/rise light
x Toggle axes
arrows Change view angle
arrows (FPS mode) Navigation
PgDn/PgUp Zoom in and out
0 Reset view angle
ESC Exit
*/
#include "CSCIx229.h"
int mode=0; // Texture mode
int displayMode = 1; // What to display
int ntex=0; // Cube faces
int axes=0; // Display axes
int th=0; // Azimuth of view angle
int ph=5; // Elevation of view angle
int light=1; // Lighting
int rep=1; // Repitition
double asp=1; // Aspect ratio
int fov = 55; // Field of View
double dim=20; // Size of world
int box=1; // Draw sky
int park[6]; // Park textures
int fireworks=0; // Fireworks
int debug = 0;
// Light values
int emission = 0; // Emission intensity (%)
int ambient = 0; // Ambient intensity (%)
int diffuse = 100; // Diffuse intensity (%)
int specular = 0; // Specular intensity (%)
int shininess = 0; // Shininess (power of two)
float shiny = 1; // Shininess (value)
int zh = 90; // Light azimuth
float ylight = 7; // Elevation of light
unsigned int texture[9]; // Texture names
char *text[] = {"Orthogonal","Prespective","FPS"};
int obj; // Object display list
double eyeX = 0;
double eyeY = 0;
double eyeZ = 0;
double dx = 1;
double dy = 1;
double dz = 1;
double atX = 0;
double atY = 0;
double atZ = 0;
double cameraHight;
int angle = 325;
float fraction = 1.25f;
#define PI 3.1415927
#define DEF_D 5
#define MAX_POINTS 5000
int numPoints;
GLfloat curx, cury,curz;
GLfloat x[MAX_POINTS], y[MAX_POINTS], z[MAX_POINTS];
GLfloat xacc[MAX_POINTS], yacc[MAX_POINTS], zacc[MAX_POINTS];
GLfloat red, green, blue;
int step; int length;
/*
* generate the particles for the fireworks
* based on code from https://www.cs.uaf.edu/~cs202/node4.html
*
*/
void fireworks_initialize()
{
int j; double temp, temp2,temp3;
numPoints = drand48()*(MAX_POINTS-1);
if(debug)
printf("numPoints = %d\n", numPoints);
curx = -0.5 + drand48();
cury = 12.0 + drand48();
curz = +0.25 + drand48();
red = 0.5 + 0.5*drand48();
green = 0.5 + 0.5*drand48();
blue = 0.5 + 0.5*drand48();
glPointSize(1.5);
step = 0;
length = 700 + 300*drand48();
/* initialize the blast */
for (j=0 ; j<numPoints ; j++ )
{
x[j] = curx;
y[j] = cury;
z[j] = curz;
temp = drand48()*10;
temp2 = drand48()*2.0*M_PI;
temp3 = drand48()*M_PI;
xacc[j] = (cos(temp2) * sin(temp3) * temp)/length;
yacc[j] = (sin(temp2) * sin(temp3) * temp)/length;
zacc[j] = (cos(temp3) * temp)/length;
}
}
void draw_blast()
{
glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
// glTranslated(drand48(),drand48(),drand48());
int i;
double glow = (length - step) / (double)length;
if(debug)
printf("glow = %f\n", glow);
glColor3f(red*glow, green*glow, blue*glow);
glBegin(GL_POINTS);
for (i=0;i<numPoints;i++)
{
x[i] += xacc[i];
y[i] += yacc[i];
z[i] += zacc[i];
glVertex3f(x[i], y[i], z[i]);
}
glEnd();
glFlush();
glPopMatrix();
//glutSwapBuffers();
}
/*
* Draw a cube
* at (x,y,z)
* dimentions (dx,dy,dz)
* rotated th about the y axis
* wiht texture # tex
*/
static void cube(double x,double y,double z,
double dx,double dy,double dz,
double th,
int tex)
{
// Set specular color to white
float white[] = {1,1,1,1};
float Emission[] = {0.0,0.0,0.01*emission,1.0};
glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS,shiny);
glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,white);
glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION,Emission);
// Save transformation
glPushMatrix();
// Offset, scale and rotate
glTranslated(x,y,z);
glRotated(th,0,1,0);
glScaled(dx,dy,dz);
// Enable textures
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,mode?GL_REPLACE:GL_MODULATE);
glColor3f(1,1,1);
glBindTexture(GL_TEXTURE_2D,texture[tex]);
// Front
glBegin(GL_QUADS);
glNormal3f( 0, 0, 1);
glTexCoord2f(0,0); glVertex3f(-1,-1, 1);
glTexCoord2f(1,0); glVertex3f(+1,-1, 1);
glTexCoord2f(1,1); glVertex3f(+1,+1, 1);
glTexCoord2f(0,1); glVertex3f(-1,+1, 1);
glEnd();
// Back
glBegin(GL_QUADS);
glNormal3f( 0, 0,-1);
glTexCoord2f(0,0); glVertex3f(+1,-1,-1);
glTexCoord2f(1,0); glVertex3f(-1,-1,-1);
glTexCoord2f(1,1); glVertex3f(-1,+1,-1);
glTexCoord2f(0,1); glVertex3f(+1,+1,-1);
glEnd();
// Right
glBegin(GL_QUADS);
glNormal3f(+1, 0, 0);
glTexCoord2f(0,0); glVertex3f(+1,-1,+1);
glTexCoord2f(1,0); glVertex3f(+1,-1,-1);
glTexCoord2f(1,1); glVertex3f(+1,+1,-1);
glTexCoord2f(0,1); glVertex3f(+1,+1,+1);
glEnd();
// Left
glBegin(GL_QUADS);
glNormal3f(-1, 0, 0);
glTexCoord2f(0,0); glVertex3f(-1,-1,-1);
glTexCoord2f(1,0); glVertex3f(-1,-1,+1);
glTexCoord2f(1,1); glVertex3f(-1,+1,+1);
glTexCoord2f(0,1); glVertex3f(-1,+1,-1);
glEnd();
// Top
glBegin(GL_QUADS);
glNormal3f( 0,+1, 0);
glTexCoord2f(0,0); glVertex3f(-1,+1,+1);
glTexCoord2f(1,0); glVertex3f(+1,+1,+1);
glTexCoord2f(1,1); glVertex3f(+1,+1,-1);
glTexCoord2f(0,1); glVertex3f(-1,+1,-1);
glEnd();
// Bottom
glBegin(GL_QUADS);
glNormal3f( 0,-1, 0);
glTexCoord2f(0,0); glVertex3f(-1,-1,-1);
glTexCoord2f(1,0); glVertex3f(+1,-1,-1);
glTexCoord2f(1,1); glVertex3f(+1,-1,+1);
glTexCoord2f(0,1); glVertex3f(-1,-1,+1);
glEnd();
// Undo transformations and textures
glPopMatrix();
glDisable(GL_TEXTURE_2D);
}
/*
* Draw a cube
* at (x,y,z)
* dimentions (dx,dy,dz)
* rotated th about the y axis
* wiht texture # tex
*/
static void cube2(double x,double y,double z,
double dx,double dy,double dz,
double th,
int tex)
{
// Set specular color to white
float white[] = {1,1,1,1};
float Emission[] = {0.0,0.0,0.01*emission,1.0};
glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS,shiny);
glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,white);
glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION,Emission);
// Save transformation
glPushMatrix();
// Offset, scale and rotate
glTranslated(x,y,z);
glRotated(th,0,1,0);
glScaled(dx,dy,dz);
// Enable textures
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,mode?GL_REPLACE:GL_MODULATE);
glColor3f(1,1,1);
glBindTexture(GL_TEXTURE_2D,texture[tex]);
// Front
glBegin(GL_QUADS);
glNormal3f( 0, 0, 1);
glTexCoord2f(0,0); glVertex3f(+1, +0, +1);
glTexCoord2f(1,0); glVertex3f(+1, +0, +0);
glTexCoord2f(1,1); glVertex3f(+1, +1, +0);
glTexCoord2f(0,1); glVertex3f(+1, +1, +1);
glEnd();
// Back
glBegin(GL_QUADS);
glNormal3f( 0, 0,-1);
glTexCoord2f(0,0); glVertex3f(+0, +0, +1);
glTexCoord2f(1,0); glVertex3f(+0, +0, +0);
glTexCoord2f(1,1); glVertex3f(+0, +1, +0);
glTexCoord2f(0,1); glVertex3f(+0, +1, +1);
glEnd();
// Right
glBegin(GL_QUADS);
glNormal3f(+1, 0, 0);
glTexCoord2f(0,0); glVertex3f(+0, +0, +0);
glTexCoord2f(1,0); glVertex3f(+1, +0, +0);
glTexCoord2f(1,1); glVertex3f(+1, +1, +0);
glTexCoord2f(0,1); glVertex3f(+0, +1, +0);
glEnd();
// Left
glBegin(GL_QUADS);
glNormal3f(-1, 0, 0);
glTexCoord2f(0,0); glVertex3f(+0 ,+0, +1);
glTexCoord2f(1,0); glVertex3f(+1 ,+0, +1);
glTexCoord2f(1,1); glVertex3f(+1 ,+1, +1);
glTexCoord2f(0,1); glVertex3f(+0 ,+1, +1);
glEnd();
// Top
glBegin(GL_QUADS);
glNormal3f( 0,+1, 0);
glTexCoord2f(0,0); glVertex3f(+0 ,+1, +1);
glTexCoord2f(1,0); glVertex3f(+1, +1, +1);
glTexCoord2f(1,1); glVertex3f(+1 ,+1, +0);
glTexCoord2f(0,1); glVertex3f(+0 ,+1, +0);
glEnd();
// Bottom
glBegin(GL_QUADS);
glNormal3f( 0,-1, 0);
glTexCoord2f(0,0); glVertex3f(+0, +0, +1);
glTexCoord2f(1,0); glVertex3f(+1, +0, +1);
glTexCoord2f(1,1); glVertex3f(+1, +0, +0);
glTexCoord2f(0,1); glVertex3f(+0, +0, +0);
glEnd();
// Undo transformations and textures
glPopMatrix();
glDisable(GL_TEXTURE_2D);
}
/*
* Draw a cube
* at (x,y,z)
* dimentions (dx,dy,dz)
* rotated th about the Z axis
* wiht texture # tex
*/
static void cube3(double x,double y,double z,
double dx,double dy,double dz,
double th,
int tex)
{
// Set specular color to white
float white[] = {1,1,1,1};
float Emission[] = {0.0,0.0,0.01*emission,1.0};
glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS,shiny);
glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,white);
glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION,Emission);
// Save transformation
glPushMatrix();
// Offset, scale and rotate
glTranslated(x,y,z);
glRotated(th,0,0,1);
glScaled(dx,dy,dz);
// Enable textures
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,mode?GL_REPLACE:GL_MODULATE);
glColor3f(1,1,1);
glBindTexture(GL_TEXTURE_2D,texture[tex]);
// Front
glBegin(GL_QUADS);
glNormal3f( 0, 0, 1);
glTexCoord2f(0,0); glVertex3f(+1, +0, +1);
glTexCoord2f(1,0); glVertex3f(+1, +0, +0);
glTexCoord2f(1,1); glVertex3f(+1, +1, +0);
glTexCoord2f(0,1); glVertex3f(+1, +1, +1);
glEnd();
// Back
glBegin(GL_QUADS);
glNormal3f( 0, 0,-1);
glTexCoord2f(0,0); glVertex3f(+0, +0, +1);
glTexCoord2f(1,0); glVertex3f(+0, +0, +0);
glTexCoord2f(1,1); glVertex3f(+0, +1, +0);
glTexCoord2f(0,1); glVertex3f(+0, +1, +1);
glEnd();
// Right
glBegin(GL_QUADS);
glNormal3f(+1, 0, 0);
glTexCoord2f(0,0); glVertex3f(+0, +0, +0);
glTexCoord2f(1,0); glVertex3f(+1, +0, +0);
glTexCoord2f(1,1); glVertex3f(+1, +1, +0);
glTexCoord2f(0,1); glVertex3f(+0, +1, +0);
glEnd();
// Left
glBegin(GL_QUADS);
glNormal3f(-1, 0, 0);
glTexCoord2f(0,0); glVertex3f(+0 ,+0, +1);
glTexCoord2f(1,0); glVertex3f(+1 ,+0, +1);
glTexCoord2f(1,1); glVertex3f(+1 ,+1, +1);
glTexCoord2f(0,1); glVertex3f(+0 ,+1, +1);
glEnd();
// Top
glBegin(GL_QUADS);
glNormal3f( 0,+1, 0);
glTexCoord2f(0,0); glVertex3f(+0 ,+1, +1);
glTexCoord2f(1,0); glVertex3f(+1, +1, +1);
glTexCoord2f(1,1); glVertex3f(+1 ,+1, +0);
glTexCoord2f(0,1); glVertex3f(+0 ,+1, +0);
glEnd();
// Bottom
glBegin(GL_QUADS);
glNormal3f( 0,-1, 0);
glTexCoord2f(0,0); glVertex3f(+0, +0, +1);
glTexCoord2f(1,0); glVertex3f(+1, +0, +1);
glTexCoord2f(1,1); glVertex3f(+1, +0, +0);
glTexCoord2f(0,1); glVertex3f(+0, +0, +0);
glEnd();
// Undo transformations and textures
glPopMatrix();
glDisable(GL_TEXTURE_2D);
}
/*
* Draw a table side
* at (x,y,z)
* dimentions (dx,dy,dz)
* rotated th about the y axis
* wiht texture # tex
*/
static void tableSide(double x,double y,double z,
double dx,double dy,double dz,
double th, double offset,
int tex)
{
// Set specular color to white
float white[] = {1,1,1,1};
float Emission[] = {0.0,0.0,0.01*emission,1.0};
glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS,shiny);
glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,white);
glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION,Emission);
// Save transformation
glPushMatrix();
// Offset, scale and rotate
glTranslated(x,y,z);
glRotated(th,0,1,0);
glScaled(dx,dy,dz);
// Enable textures
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,mode?GL_REPLACE:GL_MODULATE);
glColor3f(1,1,1);
glBindTexture(GL_TEXTURE_2D,texture[tex]);
// Front
glBegin(GL_QUADS);
glNormal3f( 0, 0, 1);
glTexCoord2f(0,0); glVertex3f(+1, +0, +1);
glTexCoord2f(1,0); glVertex3f(+1, +0, +0);
glTexCoord2f(1,1); glVertex3f(+1, +1, +0 + offset);
glTexCoord2f(0,1); glVertex3f(+1, +1, +1 - offset);
glEnd();
// Back
glBegin(GL_QUADS);
glNormal3f( 0, 0,-1);
glTexCoord2f(0,0); glVertex3f(+0, +0, +1);
glTexCoord2f(1,0); glVertex3f(+0, +0, +0);
glTexCoord2f(1,1); glVertex3f(+0, +1, +0 + offset);
glTexCoord2f(0,1); glVertex3f(+0, +1, +1 - offset);
glEnd();
// Right
glBegin(GL_QUADS);
glNormal3f(+1, 0, 0);
glTexCoord2f(0,0); glVertex3f(+0, +0, +0);
glTexCoord2f(1,0); glVertex3f(+1, +0, +0);
glTexCoord2f(1,1); glVertex3f(+1, +1, +0 + offset);
glTexCoord2f(0,1); glVertex3f(+0, +1, +0 + offset);
glEnd();
// Left
glBegin(GL_QUADS);
glNormal3f(-1, 0, 0);
glTexCoord2f(0,0); glVertex3f(+0 ,+0, +1);
glTexCoord2f(1,0); glVertex3f(+1 ,+0, +1);
glTexCoord2f(1,1); glVertex3f(+1 ,+1, +1 - offset);
glTexCoord2f(0,1); glVertex3f(+0 ,+1, +1 - offset);
glEnd();
// Top
glBegin(GL_QUADS);
glNormal3f( 0,+1, 0);
glTexCoord2f(0,0); glVertex3f(+0 ,+1, +1 - offset);
glTexCoord2f(1,0); glVertex3f(+1, +1, +1 - offset);
glTexCoord2f(1,1); glVertex3f(+1 ,+1, +0 + offset);
glTexCoord2f(0,1); glVertex3f(+0 ,+1, +0 + offset);
glEnd();
// Bottom
glBegin(GL_QUADS);
glNormal3f( 0,-1, 0);
glTexCoord2f(0,0); glVertex3f(+0, +0, +1);
glTexCoord2f(1,0); glVertex3f(+1, +0, +1);
glTexCoord2f(1,1); glVertex3f(+1, +0, +0);
glTexCoord2f(0,1); glVertex3f(+0, +0, +0);
glEnd();
// Undo transformations and textures
glPopMatrix();
glDisable(GL_TEXTURE_2D);
}
/*
* Draw a cylinder
*/
static void cylinder2(float x,float y, float z, float radius, float height)
{
int th;
glPushMatrix();
glTranslatef(x,y,z);
glRotated(-90,1,0,0);
glScaled(radius,radius,height);
// Top
glBegin(GL_TRIANGLE_FAN);
glNormal3f(0,0,1);
glVertex3f(0,0,1);
for (th=0;th<=360;th+=15)
glVertex3f(Cos(th),Sin(th),1);
glEnd();
// Sides
glBegin(GL_QUAD_STRIP);
for (th=0;th<=360;th+=15)
{
glNormal3f(Cos(th),Sin(th),0);
glVertex3f(Cos(th),Sin(th),1);
glVertex3f(Cos(th),Sin(th),0);
}
glEnd();
glPopMatrix();
}
/*
* Draw a cylinder
*/
static void cylinder(float x,float y, float z,
double dx,double dy,double dz,
double angle, int axes,
int tex)
{
int th;
glPushMatrix();
glTranslatef(x,y,z);
if(axes == 0) // rotate on the X-axes
{
glRotated(angle,1,0,0);
}
else if(axes == 1) // rotate on the Y-axes
{
glRotated(angle,0,1,0);
}
else // rotate on the Z-axes
{
glRotated(angle,0,0,1);
}
glScaled(dx,dy,dz);
if(tex != -1)
{
// Enable textures
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,mode?GL_REPLACE:GL_MODULATE);
glColor3f(1,1,1);
glBindTexture(GL_TEXTURE_2D,texture[tex]);
}
// Top
glBegin(GL_TRIANGLE_FAN);
glNormal3f(0,0,1);
glVertex3f(0,0,1);
for (th=0;th<=360;th+=15)
glVertex3f(Cos(th),Sin(th),1);
glEnd();
// Sides
glBegin(GL_QUAD_STRIP);
for (th=0;th<=360;th+=15)
{
float tc = (th / (float)(2 * PI));
glNormal3f(Cos(th),Sin(th),0);
glTexCoord2f(tc, 0.0);
glVertex3f(Cos(th),Sin(th),1);
glTexCoord2f(tc, 1.0);
glVertex3f(Cos(th),Sin(th),0);
}
glEnd();
glPopMatrix();
if(tex != -1)
{
glDisable(GL_TEXTURE_2D);
}
}
void drawCone(float x,float y, float z, float radius, float height)
{
glPushMatrix();
glTranslatef(x,y,z);
glRotated(-90,1,0,0);
// glScaled(radius,radius,height);
// draw the upper part of the cone
glBegin(GL_TRIANGLE_FAN);
glVertex3f(0, 0, height);
for (int angle = 0; angle < 360; angle++)
{
glNormal3f(sin(angle) * radius, cos(angle) * radius, radius);
glVertex3f(sin(angle) * radius, cos(angle) * radius, 0);
}
glEnd();
glPopMatrix();
}
void drawKetchup(double x,double y,double z,
double th)
{
// Save transformation
glPushMatrix();
// Offset
glTranslated(x,y,z);
//glRotated(-90,1,0,0);
glRotated(th,1,0,0);
cylinder2(x, y, z, 0.25, 1);
cylinder2(x, y+1 , z, .15, 0.1);
drawCone(x, y+1.1, z, 0.075, 0.25);
// Undo transformations
glPopMatrix();
}
/*
* Draw Picnic Table
* at (x, y ,Y)
*
*/
void picnicTable(double x,double y,double z,double h)
{
glColor3f(1,0,0);
drawKetchup(x,x + 0.1,x,0);
glColor3f(1,1,0);
drawKetchup(x+0.3,x + 0.1,x,0);
tableSide(x, y, z, 0.5, h, 4, 0, 0.15, 0);
tableSide(x + 10, y, z, 0.5, h, 4, 0, 0.15, 0);
// Top surface
for (double i = 0.1 ; i < 4; i += 1.00)
{
cube2(x - 0.5 ,h ,z + i, 11.5, 0.2, 0.8, 0 ,1);
}
// Seats support bars
cube2(x + 0.5, y + 0.2 ,z - 2.5, 0.1, h/2, 8.9, 0, 1);
cube2(x + 9.99, y + 0.2 ,z - 2.5, 0.1, h/2, 8.9, 0, 1);
// Front seats
cube2(x - 0.5 ,h/2 + 0.1 ,z + -1.5, 11.5, 0.2, 0.8, 0 ,1);
cube2(x - 0.5 ,h/2 + 0.1 ,z + -2.5, 11.5, 0.2, 0.8, 0 ,1);
// Back seats
cube2(x - 0.5 ,h/2 + 0.1 ,z +4.5, 11.5, 0.2, 0.8, 0 ,1);
cube2(x - 0.5 ,h/2 + 0.1 ,z +5.5, 11.5, 0.2, 0.8, 0 ,1);
}
/*
* Drawa grill
* at (x ,y, z)
*
*/
void grill(double x,double y,double z,
double dx,double dy,double dz,
double h)
{
// Grill bar
cylinder(x ,y ,z, 0.1, 0.1, h, -90, 0, 2);
// Grill box
//base
cube(x, y + h, z, dx, dy, dz, 0, 2); // dx = 0.9, dy = 0.003, dz = 1.3
//right
cube2(x - dx , y + h, z - dz , // position
1.2, 1, dy, // dimension
0, 2);
// left
cube2(x - dx , y + h, z + dz , // position
1.2, 1, dy, // dimension
0, 2);
// back
cube2(x - dx , y + h, z + dz , // position
dz * 2, dx, dy, // dimension
90, 2);
for (double i = -1.25 ; i < 1.5; i += 0.25)
{
//printf("===> %f\n", i);
if( i == -1.25)
{
cylinder(x - dx , y + h + 0.5 ,i + z , 0.05, 0.05, dz * 1.5, 90, 1, 2); // grill right handle
}
else if (i == 1.25)
{
cylinder(x - dx , y + h + 0.5 ,i + z, 0.05, 0.05, dz * 1.5, 90, 1, 2); // grill left handle
}
else
{
cylinder(x - dx , y + h + 0.5 ,i + z, 0.05, 0.05, dz * 1.1 , 90, 1, 2); // grill bars
}
}
cylinder(x + (dx * dy) , y + h + 0.5 ,0 + z - dz,
0.05, 0.05, dz * 2 ,
180, 2, 2); // grill front bar
cylinder(x - dx + 0.1 , y + h + 0.5 ,0 + z - dz,
0.05, 0.05, dz * 2 ,
180, 2, 2); // grill back bar
}
void pillar(double x,double y,double z,
double dx,double dy,double dz)
{
//pillars
glColor3f(1,0,0);
cylinder(x ,y ,z, dx, dy, dz, -90, 0, 3);
// pillar blue rings
glColor3f(0,0,1);
for (double i = 1.5 ; i < 6; i += 2)
{
cylinder(x ,y + i ,z, dx*1.5, dy*1.5, dz/20, -90, 0, 4);
}
}
void roof(double x,double y,double z,
double dx,double dy,double dz,
double d)
{
double hight = dz;
if(debug)
{
printf("d = %f\n", d);
printf("x = %f\n", x);
printf("hight (y) = %f\n", hight);
printf("z = %f\n", z);
}
// Set specular color to white
float white[] = {1,1,1,1};
float Emission[] = {0.0,0.0,0.01*emission,1.0};
glMaterialf(GL_FRONT_AND_BACK,GL_SHININESS,shiny);
glMaterialfv(GL_FRONT_AND_BACK,GL_SPECULAR,white);
glMaterialfv(GL_FRONT_AND_BACK,GL_EMISSION,Emission);
// Save transformation
glPushMatrix();
// Enable textures
glEnable(GL_TEXTURE_2D);
glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,mode?GL_REPLACE:GL_MODULATE);
glColor3f(1,1,1);
glBindTexture(GL_TEXTURE_2D,texture[5]);
glBegin(GL_TRIANGLES);
glNormal3f(0, +d*d/2, -d*d/4); //1
glTexCoord2f(0,0);glVertex3f(x ,hight , z );
glTexCoord2f(1,0);glVertex3f(x + d ,hight , z );
glTexCoord2f(0,1);glVertex3f(x + d/2 ,hight + d/4, z + d/2);
glEnd();
if(debug)
{
printf("Normal 1 = <%d, %f, %f>\n", 0, -d*d/2, +d*d/4);
printf("V11 = (%f, %f, %f)\n", x ,hight , z);
printf("V12 = (%f, %f, %f)\n", x + d ,hight , z );
printf("V13 = (%f, %f, %f)\n", x + d/2 ,hight + d/4, z + d/2);
}
glBegin(GL_TRIANGLES);
glNormal3f(-d*d/4, +d*d/2, 0); //2
glTexCoord2f(0,0);glVertex3f(x ,hight , z );
glTexCoord2f(1,0);glVertex3f(x ,hight , z + d );
glTexCoord2f(0,1);glVertex3f(x + d/2 ,hight + d/4 , z + d/2);
glEnd();
glBegin(GL_TRIANGLES);
glNormal3f(0, +d*d/2, +d*d/4); //3
glTexCoord2f(0,0);glVertex3f(x ,hight , z + d );
glTexCoord2f(1,0);glVertex3f(x + d ,hight , z + d );
glTexCoord2f(0,1);glVertex3f(x + d/2,hight + d/4 , z + d/2);
glEnd();
glBegin(GL_TRIANGLES);
glNormal3f(+d*d/4, +d*d/2, 0); //4
glTexCoord2f(0,0);glVertex3f(x + d ,hight , z );
glTexCoord2f(1,0);glVertex3f(x + d ,hight , z + d );
glTexCoord2f(0,1);glVertex3f(x + d/2,hight + d/4, z + d/2);
if(debug)
{
printf("Normal 4 = <%f, %f, %d>\n", -d*d/4, -d*d/2, 0);
printf("V41 = (%f, %f, %f)\n", x + d ,hight , z );
printf("V42 = (%f, %f, %f)\n", x + d ,hight , z + d );
printf("V43 = (%f, %f, %f)\n", x + d/2,hight + d/4, z + d/2);
}
glEnd();
// Undo transformations
glPopMatrix();
glDisable(GL_TEXTURE_2D);
}
void playground_floor(double x,double y,double z,
double d)
{
double hight = dz*3.75;
cube2(x,hight,z, d, 0.25, d, 0,5);
}
void barrier(double x,double y,double z,
double d, double angle, int axis)
{
double hight = y + d/1.25;
glColor3f(0,0,1);
// horizantal bars
cylinder(x,hight,z, 0.1,0.1,d, angle,1,4);
cylinder(x,hight - 1,z, 0.1,0.1,d, angle,1,4);
//vertical bars
for (double i = 1 ; i < d; i += 1)
{
if(axis == 0)
{
cylinder(x + i ,hight - 1,z , 0.1,0.1, 1, -90,0, 4);
}
else
{
cylinder(x ,hight - 1,z - i, 0.1,0.1, 1, -90,0, 4);
}
}
}
void slide(double x,double y,double z,
double d, double angle)
{
double hight = dz*3.80;
//printf("slide: d = %f\n", d);
// surface
cube3(x+d,hight,z-d+1.5,
d, 0.25, d-3,angle,
6);
//right
cube3(x+d,hight,z-d+1.5,
d,0.75,0.25, angle,
6);
//left
cube3(x+d,hight,z-1.5,
d,0.75,0.25, angle,
6);
}
void swing(double x,double y,double z,
double d, double angle, int axis)
{
double hight = y + d/1.25;
//printf("swing: hight = %f\n", hight);
// horizantal bar
cylinder(x,hight,z, 0.1,0.1,d, angle,1,4);
//ropes
cylinder(x ,hight,z - 2.5 , 0.025,0.025, hight - 1.5, 90,0, 7);
cylinder(x ,hight,z - 4.5 , 0.03,0.03, hight - 1.5, 90,0, 7);
//chair
cube2(x-1,hight - 4,z - 4.75, 2, 0.15, 2.5, 0,1);
}
/* Draw a bulldozer
* (x, y, z) location
* (dx, dy, dz) size
* with angle
*
*/
void bulldozer(double x,double y,double z,
//double dx,double dy,double dz,
double angle)
{
//bottom part
cube2(x,y,z,
1,0.25,1.5,
angle,1);
// middle part
cube2(x-0.1,y+0.25,z-0.1,
1.2,0.25,1.7,
angle,6);
//top back
cube2(x-0.1,y+0.5,z-0.1,
1.2,0.75,0.7,
angle,6);
//top front
cube2(x-0.1,y+0.5,z+0.5,
1.2,0.45,1.2,
angle,6);
glColor3f(0.412, 0.412, 0.412);
//rare tire
cylinder(x+1.1,y+0.35,z+0.4,
0.35,0.35,0.1,
90,1,-1);
//front tire
cylinder(x+1.1,y+0.35,z+1.4,
0.35,0.35,0.1,
90,1,-1);
//rare tire
cylinder(x-0.1,y+0.35,z+0.4,
0.35,0.35,0.1,
-90,1,-1);
//front tire
cylinder(x-0.1,y+0.35,z+1.4,
0.35,0.35,0.1,
-90,1,-1);
}
/*
* (x, y, z) location
* (dx, dy, dz) pillar size
* d = distance beterrn pillars
*
*/
void playground(double x,double y,double z,
double dx,double dy,double dz,
double d)
{
//pillars
// inbetween
pillar(x, y, z, dx,dy,dz);
pillar(x + d, y, z, dx,dy,dz);
barrier(x,y,z, d,90,0);
// with roof
pillar(x + d, y, z + d, dx,dy,dz);
pillar(x , y, z + d, dx,dy,dz);
barrier(x,y,z+d, d,90,0);
// with floor
pillar(x + d, y, z - d, dx,dy,dz);
pillar(x , y, z - d, dx,dy,dz);
barrier(x,y,z, d,180,1);
// cylinderical stairs
//glColor3f(0,0,1);
cylinder(x+2.25,y,z - d - 0.5, 1.3,1.3,3.8, -90,0,4);
//glColor3f(1,0,0);
cylinder(x+4.75,y,z - d - 1, 1.3,1.3,3.25, -90,0,3);
//glColor3f(1,1,0);
cylinder(x+2.5,y,z - d - 2, 1.3,1.3,2.5, -90,0,5);
//glColor3f(0,1,0);
cylinder(x+4.25,y,z - d - 3, 1.3,1.3,1.5, -90,0,6);
//glColor3f(0,0,1);
cylinder(x+2.5,y,z - d - 4, 1.3,1.3,0.5, -90,0,4);
// roof
roof(x,y,z ,dx,dy,dz, d);
playground_floor(x,y,z - d,d);
//silde
slide(x,y,z,d, -40);
//swing
swing(x+d/2,y,z+d, d,180,0);
bulldozer(-x/2,y,x/3, 0);
}