// handle key press events
func handleKeyPress(keysym sdl.Keysym) {
switch keysym.Sym {
case sdl.K_f: // f key pages through filters
filter = (filter + 1) % 3
p("new filter:", filter)
case sdl.K_l: // l key toggles light
light = !light
if light {
p("light on")
gl.Enable(gl.LIGHTING)
} else {
p("light off")
gl.Disable(gl.LIGHTING)
}
case sdl.K_PAGEUP: // page up zooms into the scene
z -= 0.02
case sdl.K_PAGEDOWN: // zoom out of the scene
z += 0.02
case sdl.K_UP: // up arrow affects x rotation
xspeed -= 0.01
case sdl.K_DOWN: // down arrow affects x rotation
xspeed += 0.01
case sdl.K_RIGHT: // affect y rotation
yspeed += 0.01
case sdl.K_LEFT: // affect y rotation
yspeed -= 0.01
case sdl.K_ESCAPE:
Quit(0)
case sdl.K_F1:
sdl.WM_ToggleFullScreen(surface)
}
}
// handle key press events
func handleKeyPress(keysym sdl.Keysym) {
switch keysym.Sym {
case sdl.K_ESCAPE:
Quit(0)
case sdl.K_F1:
sdl.WM_ToggleFullScreen(surface)
}
}
// handle key press events
func handleKeyPress(keysym sdl.Keysym) {
keys := sdl.GetKeyState()
if keys[sdl.K_ESCAPE] == 1 {
Quit(0)
}
if keys[sdl.K_F1] == 1 {
sdl.WM_ToggleFullScreen(surface)
}
if keys[sdl.K_f] == 1 {
filter = (filter + 1) % 3
}
if keys[sdl.K_RIGHT] == 1 {
yrot -= 1.5
}
if keys[sdl.K_LEFT] == 1 {
yrot += 1.5
}
if keys[sdl.K_UP] == 1 {
xpos -= math.Sin(yrot*PiOver100) * 0.05
zpos -= math.Cos(yrot*PiOver100) * 0.05
if walkbiasangle >= 359.0 {
walkbiasangle = 0.0
} else {
walkbiasangle += 10.0
}
walkbias = math.Sin(walkbiasangle*PiOver100) / 20.0
}
if keys[sdl.K_DOWN] == 1 {
xpos += math.Sin(yrot*PiOver100) * 0.05
zpos += math.Cos(yrot*PiOver100) * 0.05
if walkbiasangle <= 1.0 {
walkbiasangle = 359.0
} else {
walkbiasangle -= 10.0
}
walkbias = math.Sin(walkbiasangle*PiOver100) / 20.0
}
}
// handle key press events
func handleKeyPress(keysym sdl.Keysym) {
switch keysym.Sym {
case sdl.K_t:
twinkle = !twinkle
case sdl.K_UP:
tilt -= 0.5
case sdl.K_DOWN:
tilt += 0.5
case sdl.K_PAGEUP:
zoom -= 0.2
case sdl.K_PAGEDOWN:
zoom += 0.2
case sdl.K_ESCAPE:
Quit(0)
case sdl.K_F1:
sdl.WM_ToggleFullScreen(surface)
}
}