Initial commit

ecs/physics_system.odin

@@ -0,0 +1,34 @@
+package ecs 
+
+Vec3 :: distinct [3]f32
+
+Gravity :: struct {
+    force: Vec3 
+}
+
+RigidBody :: struct {
+    velocity: Vec3,
+    acceleration: Vec3,
+}
+
+Transform :: struct {
+    position: Vec3,
+    rotation: Vec3,
+    scale: Vec3,
+}
+
+PhysicsSystem :: struct {
+   using base: SystemBase,
+}
+
+
+physics_system_update :: proc(physics_system: ^PhysicsSystem, coordinator: ^Coordinator, dt: f32) {
+    for entity in physics_system.entities {
+        rigid_body := coordinator_get_component(RigidBody, coordinator, entity)
+        transform := coordinator_get_component(Transform, coordinator, entity)
+        gravity := coordinator_get_component(Gravity, coordinator, entity)
+
+        transform.position += rigid_body.velocity * dt
+        rigid_body.velocity += gravity.force * dt
+    }
+}