Converting Degrees to Radians in Godot
When working with sprite rotation in Godot, accurate angle conversions are crucial. Godot typically uses radians for most of its rotational computations. To rotate a sprite precisely, you need to understand how to convert angles from degrees to radians.
Conversion Formula
The standard formula to convert degrees to radians is:radians = degrees * (π / 180)
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Godot’s Built-in Functionality
Godot provides a built-in method to simplify this conversion process:func _ready():
var angle_degrees = 90
var angle_radians = deg2rad(angle_degrees)
print('Radians:', angle_radians)
The deg2rad() function takes a degree value and returns the equivalent in radians.
Applying Rotation to a Sprite
To apply this conversion when rotating a sprite, use the following approach:sprite.rotation = deg2rad(desired_rotation_in_degrees)
This line directly sets the sprite’s rotation property using the radian value.
Benefits of Using Radians
- Consistency in trigonometric functions.
- Compatibility with physics calculations in Godot.
- Standardized approach across different game engines.