diff options
Diffstat (limited to 'src/crepe/util')
-rw-r--r-- | src/crepe/util/AbsolutePosition.cpp | 20 | ||||
-rw-r--r-- | src/crepe/util/AbsolutePosition.h | 29 | ||||
-rw-r--r-- | src/crepe/util/CMakeLists.txt | 2 | ||||
-rw-r--r-- | src/crepe/util/dbg.h | 11 |
4 files changed, 58 insertions, 4 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..857c1ac --- /dev/null +++ b/src/crepe/util/AbsolutePosition.h @@ -0,0 +1,29 @@ +#pragma once + +#include "api/Transform.h" + +#include "types.h" + +namespace crepe { + +/** + * \brief A class for calculating the absolute position of an object. + * + * This class provides a utility function to get the position of an object in the world space, + * taking into account the transform and any additional offset. + */ +class AbsolutePosition { +public: + /** + * \brief Get the absolute position of an object. + * + * This function calculates the absolute position by combining the transform position with an optional offset. + * + * \param transform The transform of the object, which contains its position, rotation, and scale. + * \param offset The offset to apply to the object's position (in local space). + * \return The absolute position of the object as a 2D vector. + */ + 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 ) diff --git a/src/crepe/util/dbg.h b/src/crepe/util/dbg.h index c7283ee..e448070 100644 --- a/src/crepe/util/dbg.h +++ b/src/crepe/util/dbg.h @@ -5,10 +5,13 @@ // utility macros #define _crepe_logf_here(level, fmt, ...) \ - crepe::Log::logf(level, "{}" fmt, \ - crepe::LogColor().fg_white(false).str(std::format( \ - "{} ({}:{})", __PRETTY_FUNCTION__, __FILE_NAME__, __LINE__)), \ - __VA_ARGS__) + crepe::Log::logf( \ + level, "{}" fmt, \ + crepe::LogColor().fg_white(false).str( \ + std::format("{} ({}:{})", __PRETTY_FUNCTION__, __FILE_NAME__, __LINE__) \ + ), \ + __VA_ARGS__ \ + ) // very illegal global function-style macros // NOLINTBEGIN |