Implemented skewable and fixed translation matrix for isometric coordinates

CMakeLists.txt

@@ -34,19 +34,29 @@ set(SOURCES
         src/primitives/circle_object.cpp
         src/primitives/circle_object.h
         src/game/game_factory.cpp
-        src/game/game_factory.hpp src/config.h src/debug/grid_debug_layer.cpp src/debug/grid_debug_layer.h)
+        src/game/game_factory.hpp
+        src/config.h
+        src/debug/grid_debug_layer.cpp
+        src/debug/grid_debug_layer.h
+        src/game/input/input_mapper.cpp src/game/input/input_mapper.h src/game/action_controller.cpp src/game/action_controller.h)
 
 set(PHYSICS_00_SOURCES
-        src/prototypes/physics_00.cpp
-        )
+        src/prototypes/physics_00.cpp)
+
+set(MATH_00_SOURCES
+        src/prototypes/math_00.cpp)
 
 # Add an executable target
 add_executable(Holesome ${SOURCES})
 add_executable(Physics_00 ${PHYSICS_00_SOURCES})
 
+add_executable(Math_00 ${MATH_00_SOURCES})
+
 # Link SFML and other libraries to your executable target
 target_link_libraries(Holesome sfml-graphics sfml-audio)
 target_link_libraries(Holesome Eigen3::Eigen)
 target_link_libraries(Holesome ReactPhysics3D::ReactPhysics3D)
 
 target_link_libraries(Physics_00 ReactPhysics3D::ReactPhysics3D)
+
+target_link_libraries(Math_00 Eigen3::Eigen)

src/config.h

@@ -15,6 +15,7 @@
 #define KEY_REPEAT_ENABLED false
 
 // Graphic settings
-#define WORLD_TO_ISO_SCALE 50.0f
+#define ISOMETRIC_SKEW 0.3f
+#define WORLD_TO_ISO_SCALE 10.0f
 
 #endif //HOLESOME_CONFIG_H

src/coordinates/coordinate_transformer.cpp

@@ -3,9 +3,11 @@
 
 // Initialize matrix
 const Eigen::Matrix<float, 3, 3> CoordinateTransformer::worldToIsometricMatrix =
-        (Eigen::Matrix<float, 3, 3>() << 0.5f, 0.5f, 0,
-                -0.5f, 0.5f, -1,
-                1, 1, 0).finished();
+        (Eigen::Matrix<float, 3, 3>() <<
+                                      -1, 1, 0,
+                -ISOMETRIC_SKEW, -ISOMETRIC_SKEW, -1,
+                1, 1, 0
+        ).finished();
 
 IsometricCoordinates CoordinateTransformer::worldToIsometric(WorldCoordinates worldCoordinates)
 {

src/prototypes/math_00.cpp

@@ -0,0 +1,18 @@
+#include <iostream>
+#include <Eigen/Dense>
+
+int main()
+{
+    auto matrix = (Eigen::Matrix<float, 3, 3>() << 1, 2, 3,
+            4, 5, 6,
+            7, 8, 9).finished();
+
+    auto vector = (Eigen::Vector3f() << 1, 2, 3).finished();
+
+    std::cout << matrix << std::endl << std::endl;
+    std::cout << vector << std::endl << std::endl;
+    std::cout << "Result m*v:" << std::endl << matrix * vector << std::endl << std::endl;;
+    std::cout << "Result t(v)*m:" << std::endl << vector.transpose() * matrix << std::endl << std::endl;
+
+    return 0;
+}