void display(void){
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); /* 画面クリア */
glLoadIdentity(); /* スタックのクリア */
polarview(); /* ビューイング変換 */
glPushMatrix(); //支柱
glRotated(90, 1.0, 0.0, 0.0);
glTranslated(0.0,-1.9,0.0);
T_Cylinder(0.02, 2.0, 100, 1);
glPopMatrix();
for(int i = 0; i < NUM; i++){
double L,CLR;
glPushMatrix(); //振り子
glTranslated(0.0, 0.0, pendulum[i].draw(3));
glRotated(pendulum[i].draw(1), 0.0, 0.0, 1.0);
L = pendulum[i].draw(2);
glTranslated(0.0, -L, 0.0);
T_Cylinder(0.005, L, 100, 1);
CLR = pendulum[i].draw(4);
if(CLR > 0) T_Sphere(0.0, -L, 0.0, 0.1, 0.1, 0.1, 2);
else T_Sphere(0.0, -L, 0.0, 0.1, 0.1, 0.1, 1);
glPopMatrix();
}
glutSwapBuffers();
}
void display(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // „Ƕ„Ç£„É≥„Éâ„Ƕ„ÅÆËÉåÊôØ„Çí°ó„Çä„ŧ„Å∂„Å? & Èö†Èù¢Âá¶ÁêÅEÇíÂèØËÉΩ„Å´„Åô„Çã
glEnable(GL_DEPTH_TEST); // Èö†Èù¢Âá¶ÁêÅEñãÂß?
glEnable(GL_NORMALIZE);
glEnable(GL_LIGHTING);
glLightModeli(GL_LIGHT_MODEL_TWO_SIDE, GL_TRUE);
glPushMatrix();
glTranslatef(0.0, 1.0, 0.0);
polarview(); // „Éù„ÅE„É©„ɺ„Éì„É•„ɺ„Å∏„ÅÆ„Éì„É•„ɺ„ǧ„É≥„Ç∞§âÊèõ
glPushMatrix();
glLightfv(GL_LIGHT0, GL_POSITION, light0);
glPopMatrix();
shading(5);
drawGround2D();
shading(6);
glDisable(GL_LIGHTING);
drawGrass();
glEnable(GL_LIGHTING);
shading(5);
drawPlant();
if (rainFlag == GL_TRUE)
drawRain();
glDisable(GL_LIGHTING);
glDisable(GL_DEPTH_TEST);
drawCloud();
if (thunderFlag == GL_TRUE && rainFlag == GL_TRUE) {
if (lightningnum == 0 || lightningnum == 4)
lightning();
lightningnum++;
if (lightningnum == 5) {
lightningnum = 0;
thunderFlag = GL_FALSE;
}
if (rand() % 10 == 4)
fallFlag = GL_TRUE;
}
else thunderFlag = GL_FALSE;
glPopMatrix();
glutSwapBuffers();
}
void display( void )
{
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glEnable(GL_DEPTH_TEST);
glEnable (GL_LIGHTING);
glPushMatrix();
polarview();
float light0[] = { -5., 5., 5., 1. };
float light1[] = { 5., -5., -5., 0. };
glLightfv( GL_LIGHT1, GL_POSITION, light1 );
glLightfv( GL_LIGHT0, GL_POSITION, light0 );
// DISPLAY BUGDROID
bug.display();
glPopMatrix();
glDisable(GL_DEPTH_TEST | GL_LIGHT0);
glutSwapBuffers();
}
/*
* Shows various combinations of viewing and
* projection transformations.
*/
main()
{
char device[20];
fprintf(stderr,"Enter device name: ");
gets(device);
vinit(device);
color(BLACK);
clear();
/*
* we want to draw just within the boundaries of the screen
*/
viewport(-0.9, 0.9, -0.9, 0.9);
ortho2(-5.0, 5.0, -5.0, 5.0); /* set the world size */
color(RED);
rect(-5.0, -5.0, 5.0, 5.0); /* draw a boundary frame */
/*
* set up a perspective projection with a field of view of
* 40.0 degrees, aspect ratio of 1.0, near clipping plane 0.1,
* and the far clipping plane at 1000.0.
*/
perspective(40.0, 1.0, 0.1, 1000.0);
/*
* we want the drawing to be done with our eye point at (5.0, 8.0, 5.0)
* looking towards (0.0, 0.0, 0.0). The last parameter gives a twist
* in degrees around the line of sight, in this case zero.
*/
lookat(5.0, 8.0, 5.0, 0.0, 0.0, 0.0, 0.0);
drawtetra();
move2(-4.5, -4.5);
textsize(0.6, 0.9); /* set the text size */
drawstr("perspective/lookat");
getkey();
/*
* window can also be used to give a perspective projection. Its
* arguments are 6 clipping planes, left, right, bottom, top, near,
* and far.
*/
window(-5.0, 5.0, -5.0, 5.0, -5.0, 5.0);
/*
* as window replaces the current transformation matrix we must
* specify our viewpoint again.
*/
lookat(5.0, 8.0, 5.0, 0.0, 0.0, 0.0, 0.0);
color(BLACK);
clear();
color(GREEN);
rect(-5.0, -5.0, 5.0, 5.0);
drawtetra();
move2(-4.5,-4.5);
textsize(0.6, 0.9); /* set the text size */
drawstr("window/lookat");
getkey();
/*
* set up our original perspective projection again.
*/
perspective(40.0, 1.0, 0.1, 1000.0);
/*
* polarview also specifies our viewpoint, but, unlike lookat, in polar
* coordinates. Its arguments are the distance from the world origin, an
* azimuthal angle in the x-y plane measured from the y axis, an
* incidence angle in the y-z plane measured from the z axis, and a
* twist around the line of sight.
*/
polarview(15.0, 30.0, 30.0, 30.0);
color(BLACK);
clear();
color(MAGENTA);
rect(-5.0, -5.0, 5.0, 5.0);
drawtetra();
move2(-4.5,-4.5);
textsize(0.6, 0.9); /* set the text size */
drawstr("perspective/polarview");
getkey();
/*
* once more with window for comparison
*/
window(-4.0, 4.0, -4.0, 4.0, -4.0, 4.0);
polarview(6.0, 20.0, -30.0, 70.0);
color(BLACK);
clear();
color(YELLOW);
rect(-5.0, -5.0, 5.0, 5.0);
drawtetra();
move2(-4.5,-4.5);
textsize(0.6, 0.9); /* set the text size */
drawstr("window/polarview");
getkey();
vexit();
}
