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#include <World.h>
World::World(float width){
unsigned int i;
lineCount=width/HLINE+1;
if((line=(struct line_t *)calloc(lineCount,sizeof(struct line_t)))==NULL){
std::cout<<"Failed to allocate memory!"<<std::endl;
abort();
}
line[0].start=(rand()%100)/100.0f-1; // lazy
for(i=1;i<lineCount;i++){
line[i].start=line[i-1].start+(float)((rand()%20)-10)/1000.0f;
}
}
void World::draw(void){
unsigned int i;
glBegin(GL_QUADS);
for(i=0;i<lineCount;i++){
glColor3ub(0,255,0);
glVertex2f((HLINE*i)-1 ,line[i].start);
glVertex2f((HLINE*i)-1+HLINE,line[i].start);
glVertex2f((HLINE*i)-1+HLINE,line[i].start-HLINE*2);
glVertex2f((HLINE*i)-1 ,line[i].start-HLINE*2);
glColor3ub(150,100,50);
glVertex2f((HLINE*i)-1 ,line[i].start-HLINE*2);
glVertex2f((HLINE*i)-1+HLINE,line[i].start-HLINE*2);
glVertex2f((HLINE*i)-1+HLINE,-1);
glVertex2f((HLINE*i)-1 ,-1);
}
glEnd();
}
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