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Add reference point input to the Mirror node

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This commit is contained in:
Keavon Chambers
2025-04-24 05:33:20 -07:00
parent d39308c048
commit 471ef87801
18 changed files with 387 additions and 258 deletions
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32
node-graph/gcore/src/vector/vector_nodes.rs
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@@ -6,7 +6,7 @@ use crate::instances::{Instance, InstanceMut, Instances};
use crate::raster::image::ImageFrameTable;
use crate::registry::types::{Angle, Fraction, IntegerCount, Length, Multiplier, Percentage, PixelLength, SeedValue};
use crate::renderer::GraphicElementRendered;
use crate::transform::{Footprint, Transform, TransformMut};
use crate::transform::{Footprint, ReferencePoint, Transform, TransformMut};
use crate::vector::PointDomain;
use crate::vector::style::{LineCap, LineJoin};
use crate::{CloneVarArgs, Color, Context, Ctx, ExtractAll, GraphicElement, GraphicGroupTable, OwnedContextImpl};
@@ -217,7 +217,9 @@ where
let mut result_table = GraphicGroupTable::default();
let Some(bounding_box) = instance.bounding_box(DAffine2::IDENTITY) else { return result_table };
let Some(bounding_box) = instance.bounding_box(DAffine2::IDENTITY, false) else {
return result_table;
};
let center = (bounding_box[0] + bounding_box[1]) / 2.;
@@ -253,7 +255,9 @@ where
let mut result_table = GraphicGroupTable::default();
let Some(bounding_box) = instance.bounding_box(DAffine2::IDENTITY) else { return result_table };
let Some(bounding_box) = instance.bounding_box(DAffine2::IDENTITY, false) else {
return result_table;
};
let center = (bounding_box[0] + bounding_box[1]) / 2.;
let base_transform = DVec2::new(0., radius) - center;
@@ -310,7 +314,7 @@ where
let random_scale_difference = random_scale_max - random_scale_min;
let instance_bounding_box = instance.bounding_box(DAffine2::IDENTITY).unwrap_or_default();
let instance_bounding_box = instance.bounding_box(DAffine2::IDENTITY, false).unwrap_or_default();
let instance_center = -0.5 * (instance_bounding_box[0] + instance_bounding_box[1]);
let mut scale_rng = rand::rngs::StdRng::seed_from_u64(random_scale_seed.into());
@@ -364,7 +368,8 @@ where
async fn mirror<I: 'n + Send>(
_: impl Ctx,
#[implementations(GraphicGroupTable, VectorDataTable, ImageFrameTable<Color>)] instance: Instances<I>,
#[default(0., 0.)] center: DVec2,
#[default(ReferencePoint::Center)] reference_point: ReferencePoint,
offset: f64,
#[range((-90., 90.))] angle: Angle,
#[default(true)] keep_original: bool,
) -> GraphicGroupTable
@@ -373,13 +378,18 @@ where
{
let mut result_table = GraphicGroupTable::default();
// The mirror center is based on the bounding box for now
let Some(bounding_box) = instance.bounding_box(DAffine2::IDENTITY) else { return result_table };
let mirror_center = (bounding_box[0] + bounding_box[1]) / 2. + center;
// Normalize the direction vector
let normal = DVec2::from_angle(angle.to_radians());
// The mirror reference is based on the bounding box (at least for now, until we have proper local layer origins)
let Some(bounding_box) = instance.bounding_box(DAffine2::IDENTITY, false) else {
return result_table;
};
let mirror_reference_point = reference_point
.point_in_bounding_box((bounding_box[0], bounding_box[1]).into())
.unwrap_or_else(|| (bounding_box[0] + bounding_box[1]) / 2.)
+ normal * offset;
// Create the reflection matrix
let reflection = DAffine2::from_mat2_translation(
glam::DMat2::from_cols(
@@ -389,8 +399,8 @@ where
DVec2::ZERO,
);
// Apply reflection around the center point
let transform = DAffine2::from_translation(mirror_center) * reflection * DAffine2::from_translation(-mirror_center);
// Apply reflection around the reference point
let transform = DAffine2::from_translation(mirror_reference_point) * reflection * DAffine2::from_translation(-mirror_reference_point);
// Add original instance depending on the keep_original flag
if keep_original {