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nilsberglund-orleans
2022-02-05 18:44:39 +01:00
committed by GitHub
parent 8c1b829612
commit aba47ae0cc
17 changed files with 2566 additions and 373 deletions
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95
sub_lj.c
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@@ -179,6 +179,17 @@ void write_text( double x, double y, char *st)
return(alph);
}
double ipow(double x, int n)
{
double y;
int i;
y = x;
for (i=1; i<n; i++) y *= x;
return(y);
}
/*********************/
@@ -225,6 +236,14 @@ void erase_area_hsl(double x, double y, double dx, double dy, double h, double s
erase_area_rgb(x, y, dx, dy, rgb);
}
void erase_area_hsl_turbo(double x, double y, double dx, double dy, double h, double s, double l)
{
double pos[2], rgb[3];
hsl_to_rgb_turbo(h, s, l, rgb);
erase_area_rgb(x, y, dx, dy, rgb);
}
void draw_line(double x1, double y1, double x2, double y2)
{
glBegin(GL_LINE_STRIP);
@@ -289,7 +308,83 @@ void draw_colored_circle(double x, double y, double r, int nseg, double rgb[3])
glEnd();
}
void draw_polygon(double x, double y, double r, int nsides, double angle)
{
int i;
double pos[2], alpha, dalpha;
dalpha = DPI/(double)nsides;
glBegin(GL_LINE_LOOP);
for (i=0; i<=nsides; i++)
{
alpha = angle + (double)i*dalpha;
glVertex2d(x + r*cos(alpha), y + r*sin(alpha));
}
glEnd();
}
void draw_colored_polygon(double x, double y, double r, int nsides, double angle, double rgb[3])
{
int i;
double pos[2], alpha, dalpha;
dalpha = DPI/(double)nsides;
glColor3f(rgb[0], rgb[1], rgb[2]);
glBegin(GL_TRIANGLE_FAN);
glVertex2d(x, y);
for (i=0; i<=nsides; i++)
{
alpha = angle + (double)i*dalpha;
glVertex2d(x + r*cos(alpha), y + r*sin(alpha));
}
glEnd();
}
void draw_rhombus(double x, double y, double r, double angle)
{
int i;
static int first = 1;
static double ratio;
if (first)
{
ratio = tan(0.1*PI);
first = 0;
}
glBegin(GL_LINE_LOOP);
glVertex2d(x + r*cos(angle), y + r*sin(angle));
glVertex2d(x - ratio*r*sin(angle), y + ratio*r*cos(angle));
glVertex2d(x - r*cos(angle), y - r*sin(angle));
glVertex2d(x + ratio*r*sin(angle), y - ratio*r*cos(angle));
glEnd();
}
void draw_colored_rhombus(double x, double y, double r, double angle, double rgb[3])
{
int i;
static int first = 1;
static double ratio;
if (first)
{
ratio = tan(0.1*PI);
first = 0;
}
glColor3f(rgb[0], rgb[1], rgb[2]);
glBegin(GL_TRIANGLE_FAN);
glVertex2d(x, y);
glVertex2d(x + r*cos(angle), y + r*sin(angle));
glVertex2d(x - ratio*r*sin(angle), y + ratio*r*cos(angle));
glVertex2d(x - r*cos(angle), y - r*sin(angle));
glVertex2d(x + ratio*r*sin(angle), y - ratio*r*cos(angle));
glVertex2d(x + r*cos(angle), y + r*sin(angle));
glEnd();
}
void init_particle_config(t_particle particles[NMAXCIRCLES])
/* initialise particle configuration */