slider scales sorta

src/drawables/mod.rs

@@ -1,3 +1,4 @@
+pub mod slider;
 pub mod polygon;
 pub mod sprite;
 pub mod rect;

src/drawables/rect.rs

@@ -4,56 +4,80 @@ use crate::util::vertex::{VertexType, ColorVertex3D};
 ///
 #[derive(Debug, Clone)]
 pub struct Rect {
-
-    pub verts: VertexType,
-
     position: (f32, f32),
     size: (f32, f32),
+    color: (f32, f32, f32, f32),
+    depth: f32,
 }
 
 /// Container class which implements drawable.
 impl Rect {
-
     ///
     pub fn new(position: (f32, f32),
                size: (f32, f32),
                depth: u32,
                color: (f32, f32, f32, f32)) -> Rect {
-
         let normalized_depth = (depth as f32 / 255.0);
 
-        let verts = vec![
-            ColorVertex3D{
-                v_position: [position.0, position.1, normalized_depth],                   // top left
-                color: [color.0, color.1, color.2, color.3] },
-            ColorVertex3D{
-                v_position: [position.0, position.1 + size.1, normalized_depth],          // bottom left
-                color: [color.0, color.1, color.2, color.3] },
-            ColorVertex3D{
-                v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
-                color: [color.0, color.1, color.2, color.3] },
-            ColorVertex3D{
-                v_position: [position.0, position.1, normalized_depth],                   // top left
-                color: [color.0, color.1, color.2, color.3] },
-            ColorVertex3D{
-                v_position: [position.0 + size.0, position.1 + size.1, normalized_depth], // bottom right
-                color: [color.0, color.1, color.2, color.3] },
-            ColorVertex3D{
-                v_position: [position.0 + size.0, position.1, normalized_depth],          // top right
-                color: [color.0, color.1, color.2, color.3] },
-        ];
-
         Rect {
-            verts: VertexType::ColorType(verts),
             position: position,
             size: size,
+            color: color,
+            depth: normalized_depth,
         }
     }
+
+    fn generate_vertices(window_size: (u32, u32),
+                         position: (f32, f32),
+                         size: (f32, f32),
+                         depth: f32,
+                         color: (f32, f32, f32, f32)) -> Vec<ColorVertex3D> {
+
+        let ss_position = (
+            position.0 / window_size.0 as f32 - 1.0,
+            position.1 / window_size.1 as f32 - 1.0
+        );
+
+        let ss_size = (
+            size.0 / window_size.0 as f32,
+            size.1 / window_size.1 as f32
+        );
+
+        vec![
+            ColorVertex3D {
+                v_position: [ss_position.0, ss_position.1, depth],                   // top left
+                color: [color.0, color.1, color.2, color.3],
+            },
+            ColorVertex3D {
+                v_position: [ss_position.0, ss_position.1 + ss_size.1, depth],          // bottom left
+                color: [color.0, color.1, color.2, color.3],
+            },
+            ColorVertex3D {
+                v_position: [ss_position.0 + ss_size.0, ss_position.1 + ss_size.1, depth], // bottom right
+                color: [color.0, color.1, color.2, color.3],
+            },
+            ColorVertex3D {
+                v_position: [ss_position.0, ss_position.1, depth],                   // top left
+                color: [color.0, color.1, color.2, color.3],
+            },
+            ColorVertex3D {
+                v_position: [ss_position.0 + ss_size.0, ss_position.1 + ss_size.1, depth], // bottom right
+                color: [color.0, color.1, color.2, color.3],
+            },
+            ColorVertex3D {
+                v_position: [ss_position.0 + ss_size.0, ss_position.1, depth],          // top right
+                color: [color.0, color.1, color.2, color.3],
+            },
+        ]
+    }
 }
 
 impl Drawable for Rect {
     fn get(&self, window_size: (u32, u32)) -> Vec<VertexType> {
-        vec![self.verts.clone()]
+        vec![
+            VertexType::ColorType(
+                Rect::generate_vertices(window_size, self.position, self.size, self.depth, self.color)
+            )
+        ]
     }
-
 }

src/drawables/slider.rs

@@ -0,0 +1,68 @@
+use std::collections::HashSet;
+
+use winit::event::Event;
+
+use crate::canvas::canvas_frame::{Drawable, Eventable};
+use crate::drawables::rect::Rect;
+use crate::drawables::sprite::Sprite;
+use crate::util::vertex::VertexType;
+
+pub struct Slider {
+    handle: Rect,
+    guide: Vec<Rect>,
+
+    scaler: u32,
+    position: (f32, f32),
+    size: (f32, f32),
+    value: u16,
+}
+
+impl Slider {
+    pub fn new(size: (f32, f32), position: (f32, f32), value: u16) -> Slider {
+
+        // render the guide first
+        let red = (1.0, 0.0, 0.0, 0.0);
+        let green = (0.0, 1.0, 0.0, 0.0);
+        let blue = (0.0, 1.0, 1.0, 0.0);
+        let rg = (1.0, 1.0, 0.0, 0.0);
+
+        let left_guide_bar = Rect::new((position.0, position.1), (0.01, size.1), 1, red);
+        let right_guide_bar = Rect::new((position.0 + size.0, position.1), (0.01, size.1), 1, blue);
+        let line = Rect::new((position.0, position.1 - (size.1 / 2.0) ), (size.0, 0.01), 1, green);
+
+        let scale = value as f32 / u16::max_value() as f32;
+        let handle = Rect::new((position.0 + (size.0 * scale), position.1), (0.03, size.1), 1, rg);
+
+        Slider {
+            handle: handle,
+            guide: vec![left_guide_bar, right_guide_bar, line],
+            scaler: 255,
+            position,
+            size,
+            value,
+        }
+    }
+}
+
+impl Drawable for Slider {
+    fn get(&self, window_size: (u32, u32)) -> Vec<VertexType> {
+        let mut vertices = self.handle.get(window_size).clone();
+
+        vertices.extend_from_slice(
+            self.guide.iter()
+                .map(|x| x.get(window_size))
+                .flatten()
+                .collect::<Vec<VertexType>>()
+                .as_slice()
+        );
+
+        vertices.extend_from_slice(self.guide[0].get(window_size).as_slice());
+        vertices
+    }
+}
+
+impl<T> Eventable<T> for Slider {
+    fn notify(&mut self, event: &Event<T>) -> () {
+        unimplemented!()
+    }
+}