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// use gdnative::api::Resource;
use gdnative::prelude::*;
use gdnative::core_types::TypedArray;
use std::f32;
use std::f32::consts::TAU;
#[derive(NativeClass)]
#[inherit(Node)]
pub struct SineWave {}
#[methods]
impl SineWave {
fn new(_owner: &Node) -> Self {
SineWave {}
}
#[export]
fn _ready(&self, _owner: &Node) {
godot_print!("Whatever, connected.")
}
#[export]
pub fn frames(&self, _owner: &Node, frequency: f32, sample_rate: f32, duration: i32) -> TypedArray<f32> {
let mut frames = TypedArray::new();
let calculated_duration = sample_rate * duration as f32;
for i in 0..calculated_duration as i32 {
frames.push((TAU * frequency * i as f32/sample_rate).sin());
}
return frames
}
}
// Function that registers all exposed classes to Godot
fn init(handle: InitHandle) {
// Register the `Sine` type we declared.
handle.add_class::<SineWave>();
}
// Macro that creates the entry-points of the dynamic library.
godot_init!(init);
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