From 0408d33694635cdc28db23c9c6388bd916626bde Mon Sep 17 00:00:00 2001 From: Andrew Guschin Date: Mon, 9 Nov 2020 23:28:49 +0300 Subject: =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB=20=D0=BF?= =?UTF-8?q?=D0=B5=D1=80=D0=B2=D1=8B=D0=B5=204=20=D0=B7=D0=B0=D0=B4=D0=B0?= =?UTF-8?q?=D0=BD=D0=B8=D1=8F?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- task03/Guschin/Transform.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 task03/Guschin/Transform.h (limited to 'task03/Guschin/Transform.h') diff --git a/task03/Guschin/Transform.h b/task03/Guschin/Transform.h new file mode 100644 index 0000000..d606647 --- /dev/null +++ b/task03/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 -- cgit v1.2.3