Merge pull request #86 from lonkaars/niels/UI

Text rendering

3 files changed, 36 insertions, 0 deletions

diff --git a/src/crepe/util/AbsolutePosition.cpp b/src/crepe/util/AbsolutePosition.cpp
new file mode 100644
index 0000000..29ade23
--- /dev/null
+++ b/src/crepe/util/AbsolutePosition.cpp
@@ -0,0 +1,20 @@
+#include "AbsolutePosition.h"
+
+using namespace crepe;
+
+vec2 AbsolutePosition::get_position(const Transform & transform, const vec2 & offset) {
+	// Get the rotation in radians
+	float radians1 = transform.rotation * (M_PI / 180.0);
+
+	// Calculate total offset with scale
+	vec2 total_offset = offset * transform.scale;
+
+	// Rotate
+	float rotated_total_offset_x1
+		= total_offset.x * cos(radians1) - total_offset.y * sin(radians1);
+	float rotated_total_offset_y1
+		= total_offset.x * sin(radians1) + total_offset.y * cos(radians1);
+
+	// Final positions considering scaling and rotation
+	return (transform.position + vec2(rotated_total_offset_x1, rotated_total_offset_y1));
+}
diff --git a/src/crepe/util/AbsolutePosition.h b/src/crepe/util/AbsolutePosition.h
new file mode 100644
index 0000000..0bc8748
--- /dev/null
+++ b/src/crepe/util/AbsolutePosition.h
@@ -0,0 +1,14 @@
+#pragma once
+
+#include "api/Transform.h"
+
+#include "types.h"
+
+namespace crepe {
+
+class AbsolutePosition {
+public:
+	static vec2 get_position(const Transform & transform, const vec2 & offset);
+};
+
+} // namespace crepe
diff --git a/src/crepe/util/CMakeLists.txt b/src/crepe/util/CMakeLists.txt
index 94ed906..33160a7 100644
--- a/src/crepe/util/CMakeLists.txt
+++ b/src/crepe/util/CMakeLists.txt
@@ -1,6 +1,7 @@
 target_sources(crepe PUBLIC
 	LogColor.cpp
 	Log.cpp
+	AbsolutePosition.cpp
 )
 
 target_sources(crepe PUBLIC FILE_SET HEADERS FILES
@@ -11,5 +12,6 @@ target_sources(crepe PUBLIC FILE_SET HEADERS FILES
 	Proxy.hpp
 	OptionalRef.h
 	OptionalRef.hpp
+	AbsolutePosition.h
 )