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Refactor ViewportPosition from u32 (UVec2) to f64 (DVec2) (#345)

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* Refactor ViewportPosition from u32 (UVec2) to f64 (DVec2)

* Fix pseudo_hash call

* Replace hash function with proper function for uuid generation

* Cargo fmt

Co-authored-by: Dennis Kobert <dennis@kobert.dev>
This commit is contained in:
Keavon Chambers
2021-08-14 02:45:24 -07:00
parent 42c3b1f6e9
commit 3f230c02b4
20 changed files with 128 additions and 75 deletions
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19
editor/src/document/movement_handler.rs
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@@ -32,7 +32,7 @@ pub enum MovementMessage {
ZoomCanvasToFitAll,
}
#[derive(Debug, Clone, Hash, Default, PartialEq)]
#[derive(Debug, Clone, Default, PartialEq)]
pub struct MovementMessageHandler {
translating: bool,
rotating: bool,
@@ -43,7 +43,7 @@ pub struct MovementMessageHandler {
impl MovementMessageHandler {
fn create_document_transform_from_layerdata(&self, layerdata: &LayerData, viewport_size: &ViewportPosition, responses: &mut VecDeque<Message>) {
let half_viewport = viewport_size.as_f64() / 2.;
let half_viewport = *viewport_size / 2.;
let scaled_half_viewport = half_viewport / layerdata.scale;
responses.push_back(
DocumentOperation::SetLayerTransform {
@@ -64,7 +64,6 @@ impl MessageHandler<MovementMessage, (&mut LayerData, &Document, &InputPreproces
self.translating = true;
self.mouse_pos = ipp.mouse.position;
}
RotateCanvasBegin { snap } => {
self.rotating = true;
self.snapping = snap;
@@ -86,17 +85,17 @@ impl MessageHandler<MovementMessage, (&mut LayerData, &Document, &InputPreproces
}
MouseMove => {
if self.translating {
let delta = ipp.mouse.position.as_f64() - self.mouse_pos.as_f64();
let delta = ipp.mouse.position - self.mouse_pos;
let transformed_delta = document.root.transform.inverse().transform_vector2(delta);
layerdata.translation += transformed_delta;
self.create_document_transform_from_layerdata(layerdata, &ipp.viewport_size, responses);
}
if self.rotating {
let half_viewport = ipp.viewport_size.as_f64() / 2.;
let half_viewport = ipp.viewport_size / 2.;
let rotation = {
let start_vec = self.mouse_pos.as_f64() - half_viewport;
let end_vec = ipp.mouse.position.as_f64() - half_viewport;
let start_vec = self.mouse_pos - half_viewport;
let end_vec = ipp.mouse.position - half_viewport;
start_vec.angle_between(end_vec)
};
@@ -140,8 +139,8 @@ impl MessageHandler<MovementMessage, (&mut LayerData, &Document, &InputPreproces
}
WheelCanvasZoom => {
let scroll = ipp.mouse.scroll_delta.scroll_delta();
let mouse = ipp.mouse.position.as_f64();
let viewport_size = ipp.viewport_size.as_f64();
let mouse = ipp.mouse.position;
let viewport_size = ipp.viewport_size;
let mut zoom_factor = 1. + scroll.abs() * VIEWPORT_ZOOM_WHEEL_RATE;
if ipp.mouse.scroll_delta.y > 0 {
zoom_factor = 1. / zoom_factor
@@ -177,7 +176,7 @@ impl MessageHandler<MovementMessage, (&mut LayerData, &Document, &InputPreproces
let pos1 = document.root.transform.inverse().transform_point2(pos1);
let pos2 = document.root.transform.inverse().transform_point2(pos2);
let v1 = document.root.transform.inverse().transform_point2(DVec2::ZERO);
let v2 = document.root.transform.inverse().transform_point2(ipp.viewport_size.as_f64());
let v2 = document.root.transform.inverse().transform_point2(ipp.viewport_size);
let center = v1.lerp(v2, 0.5) - pos1.lerp(pos2, 0.5);
let size = (pos2 - pos1) / (v2 - v1);