// Update is the regular engine callback.
func (bb *bbtag) Update(eng vu.Eng, in *vu.Input, s *vu.State) {
run := 10.0 // move so many cubes worth in one second.
spin := 270.0 // spin so many degrees in one second.
if in.Resized {
bb.resize(s.W, s.H)
}
dt := in.Dt
for press, _ := range in.Down {
switch press {
case vu.K_W:
bb.cam.Move(0, 0, dt*-run, bb.cam.Lookxz())
case vu.K_S:
bb.cam.Move(0, 0, dt*run, bb.cam.Lookxz())
case vu.K_Q:
bb.cam.Move(dt*-run, 0, 0, bb.cam.Lookxz())
case vu.K_E:
bb.cam.Move(dt*run, 0, 0, bb.cam.Lookxz())
case vu.K_A:
bb.cam.AdjustYaw(dt * spin)
case vu.K_D:
bb.cam.AdjustYaw(dt * -spin)
case vu.K_T:
eng.Shutdown()
}
}
// Use screen coordinates from world coordinates.
if sx, sy := bb.cam.Screen(5, 2, -15, s.W, s.H); sx == -1 {
bb.screenText.SetVisible(false)
} else {
bb.screenText.SetVisible(true)
bb.screenText.SetLocation(float64(sx), float64(sy), 0)
}
}
// Update is the regular engine callback.
func (tt *totex) Update(eng vu.Eng, in *vu.Input, s *vu.State) {
spin := 270.0 // spin so many degrees in one second.
if in.Resized {
tt.resize(s.W, s.H)
}
dt := in.Dt
for press, _ := range in.Down {
switch press {
case vu.K_Q:
tt.frame.Spin(0, dt*-spin, 0)
case vu.K_E:
tt.frame.Spin(0, dt*+spin, 0)
case vu.K_A:
tt.monkey.Spin(0, dt*-spin, 0)
case vu.K_D:
tt.monkey.Spin(0, dt*+spin, 0)
case vu.K_T:
eng.Shutdown()
}
}
}