From 40f45d7b7e35dd4937abe6b5ce16b6256b4f1eeb Mon Sep 17 00:00:00 2001 From: shan Date: Thu, 29 Sep 2022 10:52:58 -0700 Subject: Adds linear gradient support to 2D meshes in the canvas widget. --- graphics/src/triangle.rs | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) (limited to 'graphics/src/triangle.rs') diff --git a/graphics/src/triangle.rs b/graphics/src/triangle.rs index 05028f51..92709fe2 100644 --- a/graphics/src/triangle.rs +++ b/graphics/src/triangle.rs @@ -6,20 +6,22 @@ use bytemuck::{Pod, Zeroable}; pub struct Mesh2D { /// The vertices of the mesh pub vertices: Vec, - /// The list of vertex indices that defines the triangles of the mesh. - /// - /// Therefore, this list should always have a length that is a multiple of - /// 3. pub indices: Vec, } -/// A two-dimensional vertex with some color in __linear__ RGBA. +/// A two-dimensional vertex. #[derive(Copy, Clone, Debug, Zeroable, Pod)] #[repr(C)] pub struct Vertex2D { - /// The vertex position + /// The vertex position in 2D space. pub position: [f32; 2], - /// The vertex color in __linear__ RGBA. - pub color: [f32; 4], +} + +/// Convert from lyon's position data to Iced's Vertex2D type. +impl Vertex2D { + /// Converts from [`lyon::math::Point`] to [`Vertex2D`]. Used for generating primitives. + pub fn from(points: Vec) -> Vec { + points.iter().map(|p| Vertex2D { position: [p.x, p.y]}).collect() + } } -- cgit