Added sprite and better vertex format. works, but now I lost texturing

src/sprite.rs

@@ -0,0 +1,34 @@
+use crate::vertex_2d::ColoredVertex2D;
+
+#[derive(Debug, Clone)]
+pub struct Sprite {
+    vertices: [ColoredVertex2D; 6],
+    color: [f32; 4],
+}
+
+impl Sprite {
+
+    pub fn new(position: (f32, f32), size: (u32, u32)) -> Sprite {
+        Sprite::new_with_color(position, size, (0.,0.,0.,0.))
+    }
+
+    pub fn new_with_color(position: (f32, f32), size: (u32, u32), color: (f32, f32, f32, f32)) -> Sprite {
+
+        let size = (size.0 as f32, size.1 as f32);
+
+        let color = [color.0, color.1, color.2, color.3];
+
+        Sprite {
+            vertices: [
+                ColoredVertex2D { position: [ position.0, position.1 ], color },                   // top left
+                ColoredVertex2D { position: [ position.0, position.1 + size.1], color },          // bottom left
+                ColoredVertex2D { position: [ position.0 + size.0, position.1 + size.1 ], color }, // bottom right
+
+                ColoredVertex2D { position: [ position.0, position.1 ], color },                   // top left
+                ColoredVertex2D { position: [ position.0 + size.0, position.1 + size.1 ], color }, // bottom right
+                ColoredVertex2D { position: [ position.0 + size.0, position.1 ], color },          // top right
+            ],
+            color: color,
+        }
+    }
+}