first commit. working body rendering

1 files changed, 33 insertions, 0 deletions

diff --git a/src/vertex.rs b/src/vertex.rs
new file mode 100644
index 0000000..aab7d02
--- /dev/null
+++ b/src/vertex.rs
@@ -0,0 +1,33 @@
+#[repr(C)]
+#[derive(Copy, Clone, Debug, bytemuck::Pod, bytemuck::Zeroable)]
+pub struct Vertex
+{
+    pub position: [f32;3],
+    pub uv: [f32;2]
+}
+
+impl Vertex
+{
+    const ATTRIBS: [wgpu::VertexAttribute;2] =
+        wgpu::vertex_attr_array![0 => Float32x3, 1 => Float32x2];
+
+    pub fn descr()
+    -> wgpu::VertexBufferLayout<'static> {
+        use std::mem;
+
+        wgpu::VertexBufferLayout {
+            array_stride: mem::size_of::<Self>() as wgpu::BufferAddress,
+            step_mode: wgpu::VertexStepMode::Vertex,
+            attributes: &Self::ATTRIBS
+        }
+    }
+}
+
+pub const QUAD_VERTICES: &[Vertex] = &[
+    Vertex { position: [ -1.0, -1.0, 0.0 ], uv: [ 0.0, 1.0 ] },
+    Vertex { position: [  1.0, -1.0, 0.0 ], uv: [ 1.0, 1.0 ] },
+    Vertex { position: [  1.0,  1.0, 0.0 ], uv: [ 1.0, 0.0 ] },
+    Vertex { position: [  1.0,  1.0, 0.0 ], uv: [ 1.0, 0.0 ] },
+    Vertex { position: [ -1.0,  1.0, 0.0 ], uv: [ 0.0, 0.0 ] },
+    Vertex { position: [ -1.0, -1.0, 0.0 ], uv: [ 0.0, 1.0 ] }
+];