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🎉 Recursive drawing shapes in rust

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This commit is contained in:
Alejandro Alonso 2024-11-12 15:56:33 +01:00
parent 132b1800c2
commit b149f96500
7 changed files with 76 additions and 60 deletions
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39
render-wasm/src/main.rs
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@ -49,7 +49,7 @@ pub unsafe extern "C" fn draw_all_shapes(zoom: f32, pan_x: f32, pan_y: f32) {
scale(zoom, zoom);
translate(pan_x, pan_y);
render::render_all(state);
render::render_shape(state, Uuid::nil());
flush();
}
@ -125,26 +125,6 @@ pub unsafe extern "C" fn set_shape_rotation(rotation: f32) {
}
}
#[no_mangle]
pub unsafe extern "C" fn set_shape_x(x: f32) {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
if let Some(shape) = state.current_shape.as_deref_mut() {
let width = shape.selrect.x2 - shape.selrect.x1;
shape.selrect.x1 = x;
shape.selrect.x2 = x + width;
}
}
#[no_mangle]
pub unsafe extern "C" fn set_shape_y(y: f32) {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
if let Some(shape) = state.current_shape.as_deref_mut() {
let height = shape.selrect.y2 - shape.selrect.y1;
shape.selrect.y1 = y;
shape.selrect.y2 = y + height;
}
}
#[no_mangle]
pub unsafe extern "C" fn set_shape_transform(a: f32, b: f32, c: f32, d: f32, e: f32, f: f32) {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
@ -158,6 +138,23 @@ pub unsafe extern "C" fn set_shape_transform(a: f32, b: f32, c: f32, d: f32, e:
}
}
#[no_mangle]
pub extern "C" fn add_child_shape(a: u32, b: u32, c: u32, d: u32) {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
let id = uuid_from_u32_quartet(a, b, c, d);
if let Some(shape) = state.current_shape.as_deref_mut() {
shape.shapes.push(id);
}
}
#[no_mangle]
pub extern "C" fn clear_child_shapes() {
let state = unsafe { STATE.as_mut() }.expect("got an invalid state pointer");
if let Some(shape) = state.current_shape.as_deref_mut() {
shape.shapes.clear();
}
}
fn main() {
render::init_gl();
}