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New node: Copy to Points (#1513)

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* New node: Copy to Points

* Remove dead code
This commit is contained in:
Keavon Chambers 2023-12-17 04:17:17 -08:00
parent 9f0ea35d9b
commit 9e06e70aa2
4 changed files with 80 additions and 27 deletions
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46
node-graph/gcore/src/vector/vector_nodes.rs
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@ -110,23 +110,18 @@ pub struct CircularRepeatNode<AngleOffset, Radius, Count> {
#[node_macro::node_fn(CircularRepeatNode)]
fn circular_repeat_vector_data(mut vector_data: VectorData, angle_offset: f32, radius: f32, count: u32) -> VectorData {
// repeat the vector data
let VectorData { subpaths, transform, .. } = &vector_data;
let mut new_subpaths: Vec<Subpath<_>> = Vec::with_capacity(subpaths.len() * count as usize);
let mut new_subpaths: Vec<Subpath<_>> = Vec::with_capacity(vector_data.subpaths.len() * count as usize);
let bounding_box = vector_data.bounding_box().unwrap();
let center = (bounding_box[0] + bounding_box[1]) / 2.;
//let inverse = transform.inverse();
//let radius_transform = DAffine2::from_translation(DVec2::new(0., radius as f64));
let base_transform = DVec2::new(0., radius as f64) - center;
for i in 0..count {
let angle = (2. * std::f64::consts::PI / count as f64) * i as f64 + angle_offset.to_radians() as f64;
let rotation = DAffine2::from_angle(angle);
let transform = DAffine2::from_translation(center) * rotation * DAffine2::from_translation(base_transform);
for mut subpath in subpaths.clone() {
for mut subpath in vector_data.subpaths.clone() {
subpath.apply_transform(transform);
new_subpaths.push(subpath);
}
@ -148,6 +143,37 @@ fn generate_bounding_box(vector_data: VectorData) -> VectorData {
)])
}
#[derive(Debug, Clone, Copy)]
pub struct CopyToPoints<Instance> {
instance: Instance,
}
#[node_macro::node_fn(CopyToPoints)]
fn copy_to_points(points: VectorData, instance: VectorData) -> VectorData {
let points_list = points.subpaths.iter().flat_map(|s| s.anchors());
let instance_bounding_box = instance.bounding_box().unwrap_or_default();
let instance_center = DAffine2::from_translation(-0.5 * (instance_bounding_box[0] + instance_bounding_box[1]));
let mut instanced_subpaths: Vec<Subpath<_>> = Vec::new();
for point in points_list {
let transform = DAffine2::from_translation(point) * instance_center;
for mut subpath in instance.subpaths.clone() {
subpath.apply_transform(transform);
instanced_subpaths.push(subpath);
}
}
VectorData {
subpaths: instanced_subpaths,
transform: DAffine2::IDENTITY,
style: instance.style,
alpha_blending: instance.alpha_blending,
mirror_angle: instance.mirror_angle,
}
}
#[derive(Debug, Clone, Copy)]
pub struct ResamplePoints<Spacing> {
spacing: Spacing,
@ -175,10 +201,10 @@ fn resample_points(mut vector_data: VectorData, spacing: f64) -> VectorData {
}
#[derive(Debug, Clone, Copy)]
pub struct SplineFromPointsNode {}
pub struct SplinesFromPointsNode {}
#[node_macro::node_fn(SplineFromPointsNode)]
fn spline_from_points(mut vector_data: VectorData) -> VectorData {
#[node_macro::node_fn(SplinesFromPointsNode)]
fn splines_from_points(mut vector_data: VectorData) -> VectorData {
for subpath in &mut vector_data.subpaths {
*subpath = Subpath::new_cubic_spline(subpath.anchors());
}