gameobjects

src/gameobject.rs

@@ -0,0 +1,47 @@
+use cgmath::{Matrix4, SquareMatrix, Vector3, vec3};
+use crate::vulkan::{MeshHandle, VulkanRenderer};
+use crate::input::InputState;
+
+pub struct GameObject {
+    pub mesh_index: usize,
+    pub texture_index: usize,
+    pub model_matrix: Matrix4<f32>,
+}
+
+impl GameObject {
+    pub fn new(mesh: MeshHandle, texture_index: usize) -> GameObject {
+        GameObject { mesh_index: mesh, texture_index, model_matrix: Matrix4::identity() }
+    }
+
+    pub fn set_position(&mut self, x: f32, y: f32, z: f32) {
+        self.model_matrix.w.x = x;
+        self.model_matrix.w.y = y;
+        self.model_matrix.w.z = z;
+    }
+
+    pub fn get_position(&self) -> Vector3<f32> {
+        vec3(self.model_matrix.w.x, self.model_matrix.w.y, self.model_matrix.w.z)
+    }
+
+    pub fn translate(&mut self, x: f32, y: f32, z: f32) {
+        self.model_matrix.w.x += x;
+        self.model_matrix.w.y += y;
+        self.model_matrix.w.z += z;
+    }
+
+    pub fn update(&mut self, delta_time: f32, input: &InputState) {
+       if input.button_down("test") {
+           self.translate(delta_time as f32, 0.0, 0.0);
+       }
+    }
+}
+
+pub struct GameObjectHandle {
+    pub object_index: usize
+}
+
+impl GameObjectHandle {
+    pub fn get_game_object<'a>(&mut self, renderer: &'a mut VulkanRenderer) -> Option<&'a mut GameObject> {
+        renderer.game_data.game_objects.get_mut(self.object_index)
+    }
+}