mini-led-cube/editor/src/display.c

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#include <stdio.h>
#include <glut.h>
#include "config.h"
#include "display.h"
void drawLEDCube(orientation) {
int x, y, z;
if (orientation == TOP_ORIENTATION) {
glRotatef(90, 2, 0, 0);
}
// LEDs
glMaterialfv(GL_FRONT, GL_AMBIENT, ledOnMaterial);
for (z=-10; z<=10; z+=10) // Ebene
for (y=-10; y<=10; y+=10) // Zeile
for (x=-10; x<=10; x+=10) { // Spalte
// TODO: Test different colors
glMaterialfv(GL_FRONT, GL_AMBIENT, (z == 0 ? ledOnMaterial : ledOffMaterial));
glPushMatrix();
glTranslatef(x, y, z-0.8);
glutSolidSphere(1, 16, 16);
gluCylinder(quadric, 1, 1, 1.9, 16, 2);
glTranslatef(0, 0, 1.9);
gluCylinder(quadric, 1.25, 1.25, 0.35, 16, 2);
gluDisk(quadric, 0, 1.25, 16, 16);
glTranslatef(0, 0, 0.35);
gluDisk(quadric, 0, 1.25, 16, 16);
glPopMatrix();
}
// Wires
for (y=-10; y<=10; y+=10)
for (x=-10; x<=10; x+=10) {
glMaterialfv(GL_FRONT, GL_AMBIENT, ((x == 0 || y == 0) ? innerWireMaterial : wireMaterial));
// Front
glBegin(GL_LINES);
glVertex3f(x, y, -10);
glVertex3f(x, y, 10);
glEnd();
// Side
glBegin(GL_LINES);
glVertex3f(-10, x, y);
glVertex3f(10, x, y);
glEnd();
// Top
glBegin(GL_LINES);
glVertex3f(x, -10, y);
glVertex3f(x, 10, y);
glEnd();
}
}
void display() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(ZOOM_LEVEL, WINDOW_WIDTH/WINDOW_HEIGHT, 1.0, 350.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(lookX, eyeAngle, lookZ, 0, 0, 0, 0, 1, 0);
drawLEDCube(TOP_ORIENTATION);
glutSwapBuffers();
}