1 files changed, 45 insertions, 0 deletions
diff --git a/task04/Guschin/Transform.h b/task04/Guschin/Transform.h
new file mode 100644
index 0000000..d606647
--- /dev/null
+++ b/task04/Guschin/Transform.h
@@ -0,0 +1,45 @@
+#pragma once
+
+mat3 translate(float Tx, float Ty)
+{
+	mat3* res = new mat3(1.f);
+	(*res)[0][2] = Tx;
+	(*res)[1][2] = Ty;
+	return *res;
+}
+
+mat3 scale(float Sx, float Sy)
+{
+	mat3* res = new mat3(1.f);
+	(*res)[0][0] = Sx;
+	(*res)[1][1] = Sy;
+	return *res;
+}
+
+mat3 scale(float S)
+{
+	return scale(S, S);
+}
+
+mat3 rotate(float theta)
+{
+	mat3* res = new mat3(1.f);
+	(*res)[0][0] = (*res)[1][1] = (float)cos(theta);
+	(*res)[0][1] = (float)sin(theta);
+	(*res)[1][0] = -(*res)[0][1];
+	return *res;
+}
+
+mat3 mirrorX()
+{
+	mat3* res = new mat3(1.f);
+	(*res)[1][1] = -1;
+	return *res;
+}
+
+mat3 mirrorY() 
+{
+	mat3* res = new mat3(1.f);
+	(*res)[0][0] = -1;
+	return *res;
+}
+\ No newline at end of file