initial commit

crates/comet_input/src/mouse.rs

@@ -0,0 +1,89 @@
+use winit::event::{
+	ElementState,
+	WindowEvent,
+	MouseButton,
+	MouseScrollDelta
+};
+
+pub type Button = MouseButton;
+
+pub fn mouse_pressed(event: &WindowEvent, button: Button) -> bool {
+	match event {
+		WindowEvent::MouseInput {
+			button: button_pressed,
+			state: ElementState::Pressed,
+			..
+		} => *button_pressed == button,
+		_ => false,
+	}
+}
+
+pub fn mouse_released(event: &WindowEvent, button: Button) -> bool {
+	match event {
+		WindowEvent::MouseInput {
+			button: button_released,
+			state: ElementState::Released,
+			..
+		} => *button_released == button,
+		_ => false,
+	}
+}
+
+pub fn mouse_wheel_vertical(event: &WindowEvent) -> f32 {
+	match event {
+		WindowEvent::MouseWheel {
+			delta: MouseScrollDelta::LineDelta(_, y),
+			..
+		} => *y,
+		WindowEvent::MouseWheel {
+			delta: MouseScrollDelta::PixelDelta(p),
+			..
+		} => p.y as f32,
+		_ => 0.0,
+	}
+}
+
+pub fn mouse_wheel_horizontal(event: &WindowEvent) -> f32 {
+	match event {
+		WindowEvent::MouseWheel {
+			delta: MouseScrollDelta::LineDelta(x, _),
+			..
+		} => *x,
+		WindowEvent::MouseWheel {
+			delta: MouseScrollDelta::PixelDelta(p),
+			..
+		} => p.x as f32,
+		_ => 0.0,
+	}
+}
+
+pub fn mouse_moved(event: &WindowEvent) -> (f64, f64) {
+	match event {
+		WindowEvent::CursorMoved {
+			position,
+			..
+		} => (position.x, position.y),
+		_ => (0.0, 0.0),
+	}
+}
+
+pub fn mouse_entered(event: &WindowEvent) -> bool {
+	match event {
+		WindowEvent::CursorEntered { .. } => true,
+		_ => false,
+	}
+}
+
+pub fn mouse_exited(event: &WindowEvent) -> bool {
+	match event {
+		WindowEvent::CursorLeft { .. } => true,
+		_ => false,
+	}
+}
+
+pub fn mouse_dragged(event: &WindowEvent) -> bool {
+	match event {
+		WindowEvent::CursorMoved { .. } => true,
+		_ => false,
+	}
+}