From dcf41c0ab884c124ffda8f616ec617c1e584255e Mon Sep 17 00:00:00 2001
From: Raymond Hogenson <rhogenson@posteo.net>
Date: Sat, 18 Aug 2018 11:01:49 -0400
Subject: Add textures

These were fun to make
---
 src/state.rs | 41 ++++++++++++++++-------------------------
 1 file changed, 16 insertions(+), 25 deletions(-)

(limited to 'src/state.rs')

diff --git a/src/state.rs b/src/state.rs
index da53054..f70c0ba 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -239,42 +239,33 @@ impl Positioned for Enemy {
 }
 
 pub trait Drawable : Positioned {
-    fn color(&self) -> sdl2::pixels::Color;
-    fn draw(&self, canvas: &mut sdl2::render::WindowCanvas) {
-        let x = self.x();
-        let y = self.y();
-        let r = self.radius();
-        let r = r as i32;
-        let x_min = x - r;
-        let x_max = x + r;
-        let y_min = y - r;
-        let y_max = y + r;
-        canvas.set_draw_color(self.color());
-        for x in x_min..x_max + 1 {
-            for y in y_min..y_max + 1 {
-                if self.contains(x, y) {
-                    canvas.fill_rect(sdl2::rect::Rect::new(x, y, 1, 1)).unwrap();
-                }
-            }
-        }
+    fn center(&self) -> (u32, u32);
+    fn draw(&self, canvas: &mut sdl2::render::WindowCanvas, surface: &sdl2::surface::Surface) {
+        let texture_creator = canvas.texture_creator();
+        let texture = texture_creator.create_texture_from_surface(surface).unwrap();
+        let tw = texture.query().width;
+        let th = texture.query().height;
+        let (cx, cy) = self.center();
+        let x0 = self.x() - cx as i32;
+        let y0 = self.y() - cy as i32;
+        canvas.copy(&texture, None, Some(sdl2::rect::Rect::new(x0, y0, tw, th))).unwrap();
     }
 }
 
 impl Drawable for Enemy {
-    fn color(&self) -> sdl2::pixels::Color {
-        let red_scale = self.health as f64 / STARTING_HEALTH as f64 * 255.;
-        sdl2::pixels::Color::RGB(red_scale as u8, 255 - red_scale as u8, 0)
+    fn center(&self) -> (u32, u32) {
+        (0, 0)
     }
 }
 
 impl Drawable for EBullet {
-    fn color(&self) -> sdl2::pixels::Color {
-        sdl2::pixels::Color::RGB(0, 0, 255)
+    fn center(&self) -> (u32, u32) {
+        (20, 20)
     }
 }
 
 impl Drawable for PBullet {
-    fn color(&self) -> sdl2::pixels::Color {
-        sdl2::pixels::Color::RGB(230, 255, 230)
+    fn center(&self) -> (u32, u32) {
+        (16, 22)
     }
 }
-- 
cgit v1.3.1