initial commit

general/systems.odin

@@ -0,0 +1,33 @@
+package main
+
+import rl "vendor:raylib"
+
+move :: proc(t: ^Transform, x, y: f32) {
+	next_position := Transform {
+		position = {t.position.x + x, t.position.y + y},
+	}
+	if e, occupied := world.entities[next_position.position]; !occupied {
+		delete_key(&world.entities, t.position)
+		defer world.entities[t.position] = e
+		t.position = next_position.position
+	}
+}
+
+shoot :: proc(pos: rl.Vector2, t: Transform) {
+	pos_centered := center_to_grid(pos)
+	t_centered := center_to_grid(t.position)
+	rl.DrawLine(
+		i32(t.position.x) * CELL_SIZE + (CELL_SIZE / 2),
+		i32(t.position.y) * CELL_SIZE + (CELL_SIZE / 2),
+		i32(pos_centered.x),
+		i32(pos_centered.y),
+		rl.WHITE,
+	)
+}
+
+center_to_grid :: proc(pos: rl.Vector2) -> rl.Vector2 {
+	pos_x, pos_y: f32
+	pos_x = pos.x + CELL_SIZE / 2
+	pos_y = pos.y + CELL_SIZE / 2
+	return rl.Vector2{pos_x, pos_y}
+}