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-rw-r--r--src/camera.rs20
-rw-r--r--src/state.rs14
2 files changed, 21 insertions, 13 deletions
diff --git a/src/camera.rs b/src/camera.rs
index 1dc2db2..4ae0153 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -1,19 +1,23 @@
use ggez::nalgebra::Point2;
+use ggez::Context;
pub struct Camera {
pub draw: Point2<f32>,
+ height: f32,
+ width: f32,
}
impl Camera {
- pub fn new(draw: Point2<f32>) -> Camera {
- Camera { draw }
+ pub fn new(context: &mut Context) -> Camera {
+ Camera {
+ draw: Point2::new(0.0, 0.0),
+ height: context.conf.window_mode.height,
+ width: context.conf.window_mode.width,
+ }
}
- pub fn give_center(&mut self, center: Point2<f32>) {}
-}
-
-impl Default for Camera {
- fn default() -> Camera {
- Camera::new(Point2::new(0.0, 0.0))
+ pub fn give_center(&mut self, center: Point2<f32>) {
+ self.draw.x = (self.width / 2.0) - center.x;
+ self.draw.y = (self.height / 2.0) - center.y;
}
}
diff --git a/src/state.rs b/src/state.rs
index b659880..f335f49 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -25,7 +25,7 @@ impl State {
map: Map::new(filesystem::open(context, "/map.tmx")?),
tileset: Tileset::new(filesystem::open(context, "/tileset.tsx")?),
spritebatch: SpriteBatch::new(image),
- camera: Camera::default(),
+ camera: Camera::new(context),
player_position: Point2::new(0.0, 0.0),
})
}
@@ -48,25 +48,29 @@ impl EventHandler for State {
DrawParam::default().dest(self.camera.draw),
)?;
+ self.spritebatch.clear();
+
graphics::draw(
context,
&Text::new("@"),
- DrawParam::default().dest(self.player_position),
+ DrawParam::default().dest(Point2::new(
+ self.player_position.x + self.camera.draw.x,
+ self.player_position.y + self.camera.draw.y,
+ )),
)?;
- self.spritebatch.clear();
-
graphics::present(context)?;
Ok(())
}
- fn key_down_event(&mut self, _: &mut Context, keycode: KeyCode, _: KeyMods, _: bool) {
+ fn key_down_event(&mut self, context: &mut Context, keycode: KeyCode, _: KeyMods, _: bool) {
match keycode {
KeyCode::W => self.player_position.y -= constants::PLAYER_SPEED,
KeyCode::A => self.player_position.x -= constants::PLAYER_SPEED,
KeyCode::S => self.player_position.y += constants::PLAYER_SPEED,
KeyCode::D => self.player_position.x += constants::PLAYER_SPEED,
+ KeyCode::Q => context.continuing = false,
_ => (),
}
}