overte-thingvellir/util.cpp

100 lines
2.3 KiB
C++

//
// util.cpp
// interface
//
// Created by Philip Rosedale on 8/24/12.
// Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//
#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
#include <iostream>
#include "world.h"
#include "glm/glm.hpp"
float randFloat () {
return (rand()%10000)/10000.f;
}
void render_world_box()
{
// Show edge of world
glDisable(GL_LIGHTING);
glColor4f(1.0, 1.0, 1.0, 1.0);
glLineWidth(1.0);
glBegin(GL_LINES);
glColor3f(1,0,0);
glVertex3f(0,0,0);
glVertex3f(WORLD_SIZE,0,0);
glColor3f(0,1,0);
glVertex3f(0,0,0);
glVertex3f(0, WORLD_SIZE, 0);
glColor3f(0,0,1);
glVertex3f(0,0,0);
glVertex3f(0, 0, WORLD_SIZE);
glEnd();
}
double diffclock(timeval clock1,timeval clock2)
{
double diffms = (clock2.tv_sec - clock1.tv_sec) * 1000.0;
diffms += (clock2.tv_usec - clock1.tv_usec) / 1000.0; // us to ms
return diffms;
}
void drawtext(int x, int y, float scale, float rotate, float thick, int mono, char *string,
float r=1.0, float g=1.0, float b=1.0)
{
//
// Draws text on screen as stroked so it can be resized
//
int len, i;
glPushMatrix();
glTranslatef(x, y, 0);
glColor3f(r,g,b);
glRotated(180+rotate,0,0,1);
glRotated(180,0,1,0);
glLineWidth(thick);
glScalef(scale, scale, 1.0);
len = (int) strlen(string);
for (i = 0; i < len; i++)
{
if (!mono) glutStrokeCharacter(GLUT_STROKE_ROMAN, int(string[i]));
else glutStrokeCharacter(GLUT_STROKE_MONO_ROMAN, int(string[i]));
}
glPopMatrix();
}
void drawvec3(int x, int y, float scale, float rotate, float thick, int mono, glm::vec3 vec,
float r=1.0, float g=1.0, float b=1.0)
{
//
// Draws text on screen as stroked so it can be resized
//
char vectext[20];
sprintf(vectext,"%3.1f,%3.1f,%3.1f", vec.x, vec.y, vec.z);
int len, i;
glPushMatrix();
glTranslatef(x, y, 0);
glColor3f(r,g,b);
glRotated(180+rotate,0,0,1);
glRotated(180,0,1,0);
glLineWidth(thick);
glScalef(scale, scale, 1.0);
len = (int) strlen(vectext);
for (i = 0; i < len; i++)
{
if (!mono) glutStrokeCharacter(GLUT_STROKE_ROMAN, int(vectext[i]));
else glutStrokeCharacter(GLUT_STROKE_MONO_ROMAN, int(vectext[i]));
}
glPopMatrix();
}