MyST reference

Source

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Lists

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Syntax

```{directivename} arguments
:key1: val1
:key2: val2

This is
directive content
```

Admonitions

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This is my note.

Caution

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Danger

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Error

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Hint

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Important

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Note

Notes require no arguments, so content can start here.

Nesting directives

Note

The next info should be nested

Warning

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Code

10a = 2
11print('my 1st line')
12print(f'my {a}nd line')

Literal include

Reference

 1extends RigidBody3D
 2
 3@export var mouse_sensitivity := 0.001
 4@export var speed: float = 50.0
 5@export var jump_impulse: float = 5.0
 6		
 7@onready var twist_pivot: Node3D = $TwistPivot
 8@onready var pitch_pivot: Node3D = $TwistPivot/PitchPivot
 9
10var twist_input := 0.0
11var pitch_input := 0.0
12
13
14func _input(event: InputEvent) -> void:
15	if event.is_action_pressed("jump"):
16		apply_central_impulse(Vector3.UP * jump_impulse)
17		
18	if event is InputEventMouseButton:
19		Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
20
21
22func _ready() -> void:
23	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)
24
25
26func _process(_delta: float) -> void:
27	var input := Vector3.ZERO
28	input.x = Input.get_axis("move_left", "move_right")
29	input.z = Input.get_axis("move_forward", "move_backward")
30		
31	apply_central_force(twist_pivot.basis * input * speed)
32	
33	if Input.is_action_just_pressed("ui_cancel"):
34		Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
35		
36	twist_pivot.rotate_y(twist_input)
37	pitch_pivot.rotate_x(pitch_input)
38	pitch_pivot.rotation.x = clamp(
39		pitch_pivot.rotation.x,
40		deg_to_rad(-30),
41		deg_to_rad(30),
42	)
43	twist_input = 0
44	pitch_input = 0
45
46
47func _unhandled_input(event):
48	if event is InputEventMouseMotion:
49		if Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED:
50			twist_input = -event.relative.x * mouse_sensitivity
51			pitch_input = -event.relative.y * mouse_sensitivity

start-at

The _ready function:

1func _ready() -> void:
2	Input.set_mouse_mode(Input.MOUSE_MODE_CAPTURED)

The _unhandled_input function

1func _unhandled_input(event):
2	if event is InputEventMouseMotion:
3		if Input.get_mouse_mode() == Input.MOUSE_MODE_CAPTURED:
4			twist_input = -event.relative.x * mouse_sensitivity
5			pitch_input = -event.relative.y * mouse_sensitivity

The _process function

 1func _process(_delta: float) -> void:
 2	var input := Vector3.ZERO
 3	input.x = Input.get_axis("move_left", "move_right")
 4	input.z = Input.get_axis("move_forward", "move_backward")
 5		
 6	apply_central_force(twist_pivot.basis * input * speed)
 7	
 8	if Input.is_action_just_pressed("ui_cancel"):
 9		Input.set_mouse_mode(Input.MOUSE_MODE_VISIBLE)
10		
11	twist_pivot.rotate_y(twist_input)
12	pitch_pivot.rotate_x(pitch_input)
13	pitch_pivot.rotation.x = clamp(
14		pitch_pivot.rotation.x,
15		deg_to_rad(-30),
16		deg_to_rad(30),
17	)
18	twist_input = 0
19	pitch_input = 0

Images

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fishy

Image with 200px width.

fishy

Math

Since Pythagoras, we know that \( a^2 + b^2 = c^2\).

(1)\[ \begin{align}\begin{aligned}(a + b)^2 = a^2 + 2ab + b^2\\\begin{split}(a + b)^2 &= (a + b)(a + b) \\ &= a^2 + 2ab + b^2\end{split}\end{aligned}\end{align} \]

The equation (1) is a quadratic equation.

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<iframe src="_static/intro/basics.html" width="100%" height="500px" 
style="border:none;" allow="cross-origin-isolated"></iframe>