feat(contrib): add mouse input to flycam controls

1 files changed, 40 insertions, 0 deletions

diff --git a/stockton-input/src/mouse.rs b/stockton-input/src/mouse.rs
new file mode 100644
index 0000000..7ffad47
--- /dev/null
+++ b/stockton-input/src/mouse.rs
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) Oscar Shrimpton 2020
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, either version 3 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+use stockton_types::Vector2;
+
+#[derive(Debug, Clone)]
+pub struct Mouse {
+    pub abs: Vector2,
+    pub delta: Vector2,
+}
+
+impl Default for Mouse {
+    fn default() -> Self {
+        Mouse {
+            abs: Vector2::zeros(),
+            delta: Vector2::zeros(),
+        }
+    }
+}
+
+impl Mouse {
+    pub fn handle_frame(&mut self, new: Vector2) {
+        self.delta = new - self.abs;
+        self.abs = new;
+    }
+}