feat: add shape movement

main.go

@@ -17,6 +17,7 @@ var (
 	shape     game.Shape
 	shape_pos core.Vec2i8
 	dropTimer = core.NewIntervalTimer(0.3)
+	moveTimer = core.NewIntervalTimer(0.1)
 	grid      = game.Grid{}
 	nextShape game.ShapeType
 
@@ -49,6 +50,18 @@ func LockShape() {
 }
 
 func Update(delta float32) {
+	if moveTimer.UpdateReset(delta) && (rl.IsKeyDown(rl.KeyLeft) || rl.IsKeyDown(rl.KeyRight)) {
+		new_pos := shape_pos
+		if rl.IsKeyDown(rl.KeyLeft) {
+			new_pos.X -= 1
+		} else {
+			new_pos.X += 1
+		}
+		if !game.CheckShapeCollision(new_pos, &shape, &grid) {
+			shape_pos.X = new_pos.X
+		}
+	}
+
 	if dropTimer.UpdateReset(delta) {
 		new_pos := shape_pos
 		new_pos.Y += 1