#include <stdlib.h>
#include <stdio.h>
+#include <assert.h>
#include "sdr.h"
-
-#define CURVE_VS "sdr/curve_top.v.glsl"
-#define CURVE_FS "sdr/curve_top.f.glsl"
-#define BEAM_VS "sdr/beam.v.glsl"
-#define BEAM_FS "sdr/beam.f.glsl"
+#include "geom.h"
+#include "seq.h"
#define BEAM_SHELLS 40
#define BEAM_RMIN 0.01
#define BEAM_RMAX 0.125
#define BEAM_ENERGY 0.02
+#define BEAM_LEN 16.0
+#define BEAM_DEF_SPEED 0.1
static bool init();
static void cleanup();
-static void faros();
+static void display();
static void light();
-static void ground();
static void backdrop();
-static void display();
static void idle();
static void reshape(int x, int y);
static void keyboard(unsigned char c, int x, int y);
static void mmotion(int x, int y);
static float cam_theta = 45, cam_phi, cam_dist = 10;
-static unsigned int sdr_curve_top, sdr_beam, sdr_sky;
-static unsigned int start_time;
-static float beam_rot_speed = 0.1;
+static unsigned int sdr_beam, sdr_sky;
+static long start_time;
+static long anim_stop_time;
+static long tmsec, prev_tmsec;
+
+static const float sil_color[] = {0.05, 0.02, 0.1, 1.0};
+static const float beam_color[] = {0.5, 0.4, 0.2, 1.0};
+
+static float beam_angle, beam_speed;
int main(int argc, char **argv)
{
glEnable(GL_NORMALIZE);
- if(!(sdr_curve_top = create_program_load(CURVE_VS, CURVE_FS)))
+ if(!init_geom()) {
return false;
-
- if(!(sdr_beam = create_program_load(BEAM_VS, BEAM_FS)))
+ }
+ if(!(sdr_beam = create_program_load("sdr/beam.v.glsl", "sdr/beam.f.glsl")))
return false;
if(!(sdr_sky = create_program_load("sdr/sky.v.glsl", "sdr/sky.f.glsl"))) {
return false;
}
+ if(!init_seq()) {
+ return false;
+ }
+ add_seq_track("beam-speed", INTERP_SIGMOID, EXTRAP_CLAMP, BEAM_DEF_SPEED);
+ load_seq("seq");
+
start_time = glutGet(GLUT_ELAPSED_TIME);
+ prev_tmsec = start_time;
return true;
}
static void cleanup()
{
+ destroy_seq();
+ destroy_geom();
+ free_program(sdr_beam);
+ free_program(sdr_sky);
}
-static void faros()
+static void display()
{
- glColor3f(0, 0, 0);
+ tmsec = (long)glutGet(GLUT_ELAPSED_TIME) - start_time;
+ float dt = (tmsec - prev_tmsec) / 1000.0f;
+ prev_tmsec = tmsec;
- // kormos
- glPushMatrix();
- glScalef(1.1, 3, 1.1);
- glTranslatef(0, 0.5, 0);
- glutSolidCube(1.0);
- glPopMatrix();
-
- glShadeModel(GL_FLAT);
+ if(anim_stop_time) dt = 0.0f;
- // base
- glPushMatrix();
- glRotatef(90, 1, 0, 0);
- glTranslatef(0, -0.15, 0);
- glutSolidCylinder(2, 0.3, 16, 1);
- glPopMatrix();
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ backdrop();
- // middle cylinder
- glPushMatrix();
- glTranslatef(0, 3, 0);
- glRotatef(22.5, 0, 1, 0);
- glRotatef(-90, 1, 0, 0);
- glutSolidCylinder(0.5, 1.0, 8, 1);
- glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
- // trim middle cylinder (mporntoura)
- glPushMatrix();
- glTranslatef(0, 3.9, 0);
- glRotatef(22.5, 0, 1, 0);
- glRotatef(-90, 1, 0, 0);
- glutSolidCylinder(0.55, 0.02, 8, 1);
- glPopMatrix();
+ glTranslatef(0, -2, -cam_dist);
+ glRotatef(cam_phi, 1, 0, 0);
+ glRotatef(cam_theta, 0, 1, 0);
- // top smaller cylinder
- glPushMatrix();
- glTranslatef(0, 4, 0);
- glRotatef(22.5, 0, 1, 0);
- glRotatef(-90, 1, 0, 0);
- glutSolidCylinder(0.28, 0.5, 8, 1);
- glPopMatrix();
+ glColor3fv(sil_color);
+ ground();
+ faros();
- // top wire even smaller cylinder
glPushMatrix();
- glTranslatef(0, 4.5, 0);
- glRotatef(22.5, 0, 1, 0);
- glRotatef(-90, 1, 0, 0);
- glutWireCylinder(0.18, 0.3, 9, 3);
- glPopMatrix();
- glShadeModel(GL_SMOOTH);
-
- // top troulos
- glPushMatrix();
- glTranslatef(0, 4.8, 0);
- glRotatef(22.5, 0, 1, 0);
- glRotatef(-90, 1, 0, 0);
- glutSolidCone(0.18, 0.2, 9, 1);
- glPopMatrix();
+ beam_speed = get_seq_value("beam-speed", tmsec);
+ beam_angle += beam_speed * 360.0f * dt;
+ glRotatef(beam_angle, 0, 1, 0);
+ light();
- // tsamploukano
- glPushMatrix();
- glTranslatef(-0.28, 4, 0);
- glScalef(1, 13, 1);
- glutSolidSphere(0.1, 16, 16);
glPopMatrix();
- //pyramid on top of kormos
- bind_program(sdr_curve_top);
-
- glPushMatrix();
- glTranslatef(0, 3, 0);
- glRotatef(45, 0, 1, 0);
- glRotatef(-90, 1, 0, 0);
- glScalef(1, 1, 0.45);
- glutSolidCylinder(1, 1, 4, 16);
- glPopMatrix();
-
- bind_program(0);
+ glutSwapBuffers();
}
static void light()
glTranslatef(0, 4.65, 0.2);
bind_program(sdr_beam);
+ set_uniform_float(sdr_beam, "beam_len", BEAM_LEN);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
for(int i=0; i<BEAM_SHELLS; i++) {
float t = (float)i / (float)(BEAM_SHELLS - 1);
float rad = BEAM_RMIN + (BEAM_RMAX - BEAM_RMIN) * t;
- float alpha = BEAM_ENERGY / t;
+ float alpha = BEAM_ENERGY / (t * t);
- glColor4f(0.8, 0.8, 0.2, alpha);
+ glColor4f(beam_color[0], beam_color[1], beam_color[2], alpha);
- glutSolidCylinder(rad, 6, 10, 1);
+ glutSolidCylinder(rad, BEAM_LEN, 12, 1);
}
bind_program(0);
glPopAttrib();
}
-static void ground()
-{
- glPushMatrix();
-
- glTranslatef(0, -1.25, 0);
- glScalef(1, 0.1, 1);
-
- glColor3f(0, 0, 0);
- glutSolidSphere(10, 32, 32);
-
- glPopMatrix();
-}
-
static void backdrop()
{
glFrontFace(GL_CW);
glFrontFace(GL_CCW);
}
-static void display()
-{
- unsigned int tmsec = glutGet(GLUT_ELAPSED_TIME) - start_time;
- float tsec = (float)tmsec / 1000.0;
-
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- backdrop();
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
-
- glTranslatef(0, -2, -cam_dist);
- glRotatef(cam_phi, 1, 0, 0);
- glRotatef(cam_theta, 0, 1, 0);
-
- ground();
- faros();
-
- glPushMatrix();
-
- float beam_angle = tsec * beam_rot_speed * 360;
-
- glRotatef(beam_angle, 0, 1, 0);
- light();
-
- glPopMatrix();
-
- glutSwapBuffers();
-}
static void idle()
{
gluPerspective(50, (float)x / (float)y, 0.5, 500);
}
+#define ANIM_DELTA 0.5
+
static void keyboard(unsigned char c, int x, int y)
{
+ int idx;
+ static float orig_beam_speed;
+
switch(c) {
case 27:
exit(0);
+
+ case '\b':
+ start_time = glutGet(GLUT_ELAPSED_TIME);
+ prev_tmsec = 0;
+ anim_stop_time = 0;
+ beam_angle = 0;
+ break;
+
+ case ' ':
+ if(anim_stop_time > 0) {
+ long msec = glutGet(GLUT_ELAPSED_TIME);
+ start_time += msec - anim_stop_time;
+ prev_tmsec = msec - start_time;
+ anim_stop_time = 0;
+ } else {
+ anim_stop_time = glutGet(GLUT_ELAPSED_TIME);
+ }
+ break;
+
+ case '=':
+ beam_speed = get_seq_value("beam-speed", tmsec);
+ clear_seq_track("beam-speed");
+ set_seq_value("beam-speed", tmsec, beam_speed + ANIM_DELTA);
+ break;
+
+ case '-':
+ beam_speed = get_seq_value("beam-speed", tmsec) - ANIM_DELTA;
+ if(beam_speed < 0)
+ beam_speed = 0;
+ clear_seq_track("beam-speed");
+ set_seq_value("beam-speed", tmsec, beam_speed);
+ break;
+
+ case '\r':
+ case '\n':
+ idx = find_seq_track("beam-speed");
+ assert(idx >= 0);
+ if(get_seq_value(idx, tmsec) > 0.0) {
+ clear_seq_track(idx);
+ set_seq_value(idx, tmsec, beam_speed);
+ set_seq_value(idx, tmsec + 3000, 0);
+ orig_beam_speed = beam_speed;
+ } else {
+ clear_seq_track(idx);
+ set_seq_value(idx, tmsec, 0);
+ set_seq_value(idx, tmsec + 3000, orig_beam_speed);
+ }
+ break;
+
+ case '`':
+ dump_seq("seq_dump");
+ break;
+
default:
break;
}
projects / faros-demo / blobdiff