From 6131b751e568c7a48500428b639457d2cd426eb3 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik.hautakoski@gmail.com>
Date: Mon, 15 Sep 2025 06:54:20 +0200
Subject: [PATCH] feat(shape): add RotateCW() and RotateCCW()

---
 game/shape.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/game/shape.go b/game/shape.go
index cf0df6f..7543e39 100644
--- a/game/shape.go
+++ b/game/shape.go
@@ -56,3 +56,29 @@ func (s Shape) Coordinates() [4]core.Vec2i8 {
 		s.coordinates[2],
 	}
 }
+
+func (s Shape) RotateCW() Shape {
+	rotated := [3]core.Vec2i8{}
+
+	for i, block := range s.coordinates {
+		block.X, block.Y = -1*block.Y, block.X
+		rotated[i] = block
+	}
+	return Shape{
+		typ:         s.typ,
+		coordinates: rotated,
+	}
+}
+
+func (s Shape) RotateCCW() Shape {
+	rotated := [3]core.Vec2i8{}
+
+	for i, block := range s.coordinates {
+		block.X, block.Y = block.Y, -1*block.X
+		rotated[i] = block
+	}
+	return Shape{
+		typ:         s.typ,
+		coordinates: rotated,
+	}
+}