mirror of
https://github.com/godotengine/godot-demo-projects.git
synced 2026-01-04 15:00:09 +01:00
bac1e69164
This leads to code that is easier to understand and runs faster thanks to GDScript's typed instructions. The untyped declaration warning is now enabled on all projects where type hints were added. All projects currently run without any untyped declration warnings. Dodge the Creeps and Squash the Creeps demos intentionally don't use type hints to match the documentation, where type hints haven't been adopted yet (given its beginner focus).
54 lines
1.4 KiB
GDScript
54 lines
1.4 KiB
GDScript
extends Panel
|
|
|
|
enum SyncSource {
|
|
SYSTEM_CLOCK,
|
|
SOUND_CLOCK,
|
|
}
|
|
|
|
const BPM = 116
|
|
const BARS = 4
|
|
|
|
const COMPENSATE_FRAMES = 2
|
|
const COMPENSATE_HZ = 60.0
|
|
|
|
var playing := false
|
|
var sync_source := SyncSource.SYSTEM_CLOCK
|
|
|
|
# Used by system clock.
|
|
var time_begin: float
|
|
var time_delay: float
|
|
|
|
|
|
func _process(_delta: float) -> void:
|
|
if not playing or not $Player.playing:
|
|
return
|
|
|
|
var time := 0.0
|
|
if sync_source == SyncSource.SYSTEM_CLOCK:
|
|
# Obtain from ticks.
|
|
time = (Time.get_ticks_usec() - time_begin) / 1000000.0
|
|
# Compensate.
|
|
time -= time_delay
|
|
elif sync_source == SyncSource.SOUND_CLOCK:
|
|
time = $Player.get_playback_position() + AudioServer.get_time_since_last_mix() - AudioServer.get_output_latency() + (1 / COMPENSATE_HZ) * COMPENSATE_FRAMES
|
|
|
|
var beat := int(time * BPM / 60.0)
|
|
var seconds := int(time)
|
|
var seconds_total := int($Player.stream.get_length())
|
|
@warning_ignore("integer_division")
|
|
$Label.text = str("BEAT: ", beat % BARS + 1, "/", BARS, " TIME: ", seconds / 60, ":", str(seconds % 60).pad_zeros(2), " / ", seconds_total / 60, ":", str(seconds_total % 60).pad_zeros(2))
|
|
|
|
|
|
func _on_PlaySystem_pressed() -> void:
|
|
sync_source = SyncSource.SYSTEM_CLOCK
|
|
time_begin = Time.get_ticks_usec()
|
|
time_delay = AudioServer.get_time_to_next_mix() + AudioServer.get_output_latency()
|
|
playing = true
|
|
$Player.play()
|
|
|
|
|
|
func _on_PlaySound_pressed() -> void:
|
|
sync_source = SyncSource.SOUND_CLOCK
|
|
playing = true
|
|
$Player.play()
|