sprites are working, but the implementation is pretty bad

resources/shaders/color-passthrough.vertex

@@ -5,7 +5,7 @@ layout(location = 1) in vec4 color;
 layout(location = 0) out vec4 out_color;
 
 void main() {
-  //  out_color = color;
+    out_color = color;
     gl_Position = vec4(position, 0.0, 1.0);
 }
 

src/main.rs

@@ -63,7 +63,8 @@ fn main() {
 
     let mut mouse_xy = Vector2i::new(0,0);
 
-    let sprite = Sprite::new_with_color((0.,0.), (0,0), (0.,0.,0.,0.));
+    let sprite = Sprite::new_with_color((0.,0.), (0.1,0.1), (1.,0.,0.,1.));
+    let sprite2 = Sprite::new_with_color((-1.,-0.5), (0.1,0.1), (0.,1.,0.,1.));
 
     while let Some(p) = window.get_position() {
 
@@ -113,6 +114,7 @@ fn main() {
 
         let mut canvas = CanvasFrame::new();
         canvas.draw(&sprite);
+        canvas.draw(&sprite2);
 
         (frame_future) = processor.run(&surface, frame_future, canvas);
     }

src/sprite.rs

@@ -5,7 +5,7 @@ pub struct Sprite {
     pub vertices: [(f32, f32); 6],
 
     position: (f32, f32),
-    size: (u32, u32),
+    size: (f32, f32),
     color: (f32, f32, f32, f32),
 
     textured: bool,
@@ -16,11 +16,11 @@ pub struct Sprite {
 
 impl Sprite {
 
-    pub fn new(position: (f32, f32), size: (u32, u32)) -> Sprite {
+    pub fn new(position: (f32, f32), size: (f32, f32)) -> 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 {
+    pub fn new_with_color(position: (f32, f32), size: (f32, f32), color: (f32, f32, f32, f32)) -> Sprite {
 
         let fsize = (size.0 as f32, size.1 as f32);
 
@@ -42,7 +42,7 @@ impl Sprite {
         }
     }
 
-    pub fn new_with_texture(position: (f32, f32), size: (u32, u32), texture_id: String) -> Sprite {
+    pub fn new_with_texture(position: (f32, f32), size: (f32, f32), texture_id: String) -> Sprite {
 
         let fsize = (size.0 as f32, size.1 as f32);
 
@@ -55,8 +55,8 @@ impl Sprite {
                 (position.0 + fsize.0, position.1 + fsize.1 ), // bottom right
                 (position.0 + fsize.0, position.1 ),           // top right
             ],
-            position,
-            size,
+            position: position,
+            size: size,
             color: (0.0, 0.0, 0.0, 0.0),
             textured: false,
             texture_id: Some(texture_id)

src/util/shader_kernels.rs

@@ -175,7 +175,7 @@ impl ShaderKernels {
                     third_constant: 0.0,
                 })
 
-                .triangle_fan()
+                .triangle_list()
                 // Use a resizable viewport set to draw over the entire window
                 .viewports_dynamic_scissors_irrelevant(1)