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// Includes
#ifdef G_OS_WIN32
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif
#include <rfftw.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "fluids.h"
#include "seedpoint.h"
#include "renderer_gl.h"
struct point seedpoints[MAX_SEEDPOINTS];
int cur_seedpoint;
void create_seedpoint(float mx, float my)
{
if (cur_seedpoint >= MAX_SEEDPOINTS) return;
seedpoints[cur_seedpoint].x = mx;
seedpoints[cur_seedpoint].y = my;
seedpoints[cur_seedpoint].z = -725.0f;
cur_seedpoint++;
} // create_seedpoint
void delete_seedpoint(int seedpoint_nr)
{
int i = seedpoint_nr;
for (i; i < cur_seedpoint; i++)
{
seedpoints[i].x = seedpoints[i+1].x;
seedpoints[i].y = seedpoints[i+1].y;
seedpoints[i].z = seedpoints[i+1].z;
}
for (i; i < MAX_SEEDPOINTS; i++)
{
seedpoints[i].x = 0.0f;
seedpoints[i].y = 0.0f;
seedpoints[i].z = 0.0f;
}
} // delete_seedpoint
void render_seedpoints(void)
{
int i;
GLuint lid = glGenLists(1);
GLUquadricObj *qobj = gluNewQuadric();
gluQuadricDrawStyle(qobj, GLU_FILL);
gluQuadricNormals(qobj, GLU_SMOOTH);
gluQuadricOrientation(qobj, GLU_INSIDE);
gluQuadricTexture(qobj, GL_TRUE);
glNewList(lid, GL_COMPILE);
gluSphere(qobj, 10.0f, 16, 16);
glEndList();
for (i = 0; i < cur_seedpoint; i++)
{
float color_scale = (float)i/MAX_SEEDPOINTS;
glColor3f(color_scale, 1.0f - color_scale, 0.0f);
glPushMatrix();
glLoadIdentity();
glTranslatef(seedpoints[i].x - (winWidth/2), -(seedpoints[i].y - (winHeight/2)), seedpoints[i].z);
glCallList(lid);
glPopMatrix();
}
gluDeleteQuadric(qobj);
glDeleteLists(lid, 1);
}
int get_cur_seedpoint(void)
{
return cur_seedpoint;
}
void set_cur_seedpoint(int seed_nr)
{
cur_seedpoint = seed_nr;
}
struct point get_seedpoint(int index)
{
struct point p;
p.x = seedpoints[index].x;
p.y = seedpoints[index].y;
p.z = seedpoints[index].z;
return p;
}
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