add basic input handling for klotski board/graph + populate graph based on klotski moves

include/config.hpp

@@ -13,12 +13,18 @@ constexpr Color EDGE_COLOR = DARKGREEN;
 constexpr float SIM_SPEED = 4.0;
 constexpr float ROTATION_SPEED = 1.0;
 constexpr float CAMERA_DISTANCE = 2.2;
+constexpr float CULLING_TOLERANCE = 0.1; // percentage
 
 constexpr float DEFAULT_SPRING_CONSTANT = 1.5;
 constexpr float DEFAULT_DAMPENING_CONSTANT = 0.1;
 constexpr float DEFAULT_REST_LENGTH = 0.5;
+constexpr float DEFAULT_REPULSION_FORCE = 0.002;
 
 constexpr int BOARD_PADDING = 5;
 constexpr int BLOCK_PADDING = 5;
+constexpr Color BLOCK_COLOR = DARKGREEN;
+constexpr Color HL_BLOCK_COLOR = GREEN;
+constexpr Color TARGET_BLOCK_COLOR = RED;
+constexpr Color HL_TARGET_BLOCK_COLOR = ORANGE;
 
 #endif

include/mass_springs.hpp

@@ -4,6 +4,8 @@
 #include <cstddef>
 #include <raylib.h>
 #include <raymath.h>
+#include <string>
+#include <unordered_map>
 #include <vector>
 
 class Mass {
@@ -88,7 +90,7 @@ using SpringList = std::vector<Spring>;
 
 class MassSpringSystem {
 public:
-  MassList masses;
+  std::unordered_map<std::string, Mass> masses;
   SpringList springs;
 
 public:
@@ -102,19 +104,23 @@ public:
   ~MassSpringSystem() {};
 
 public:
-  auto AddMass(float mass, Vector3 position, bool fixed) -> void;
+  auto AddMass(float mass, Vector3 position, bool fixed, std::string state)
+      -> void;
 
-  auto GetMass(const size_t index) -> Mass &;
+  auto GetMass(const std::string &state) -> Mass &;
 
-  auto AddSpring(int massA, int massB, float spring_constant,
-                 float dampening_constant, float rest_length) -> void;
+  auto AddSpring(const std::string &massA, const std::string &massB,
+                 float spring_constant, float dampening_constant,
+                 float rest_length) -> void;
 
-  auto GetSpring(const size_t index) -> Spring &;
+  auto Clear() -> void;
 
   auto ClearForces() -> void;
 
   auto CalculateSpringForces() -> void;
 
+  auto CalculateRepulsionForces() -> void;
+
   auto EulerUpdate(const float delta_time) -> void;
 
   auto VerletUpdate(const float delta_time) -> void;

include/renderer.hpp

@@ -42,7 +42,8 @@ private:
   auto Rotate(const Vector3 &a, const float cos_angle, const float sin_angle)
       -> Vector3;
 
-  auto Translate(const Vector3 &a, const float distance) -> Vector3;
+  auto Translate(const Vector3 &a, const float distance, const float horizontal,
+                 const float vertical) -> Vector3;
 
   auto Project(const Vector3 &a) -> Vector2;
 
@@ -51,12 +52,14 @@ private:
 public:
   auto Transform(Edge2Set &edges, Vertex2Set &vertices,
                  const MassSpringSystem &mass_springs, const float angle,
-                 const float distance) -> void;
+                 const float distance, const float horizontal,
+                 const float vertical) -> void;
 
   auto DrawMassSprings(const Edge2Set &edges, const Vertex2Set &vertices)
       -> void;
 
-  auto DrawKlotski(State &state) -> void;
+  auto DrawKlotski(State &state, int hov_x, int hov_y, int sel_x, int sel_y)
+      -> void;
 
   auto DrawTextures() -> void;
 };