Add light spread

src/consts.cpp

@@ -1,13 +1,31 @@
+#include "Color.hpp"
+#include <array>
+#include <raylib.h>
 #include <sys/types.h>
 
 // SCREEN CONSTS
-const int SCREEN_WIDTH = 320;
-const int SCREEN_HEIGHT = 240;
+const int SCREEN_WIDTH = 80;
+const int SCREEN_HEIGHT = 60;
 
 const int WIN_WIDTH = 1280;
 const int WIN_HEIGHT = 720;
 
 namespace Snow {
-const int MAX_SECS = 4;
-const int INV_CHANCE = 5;
+const int MAX_CYCLE_FRAMES = 4;
+const int INV_HORMOVE_CHANCE = 5;
 } // namespace Snow
+
+namespace Lights {
+const int MAX_CYCLE_FRAMES = 30;
+const std::array<Vector2, 9> POSITIONS{{{28, 17},
+                                        {36, 15},
+                                        {49, 16},
+                                        {22, 31},
+                                        {34, 31},
+                                        {61, 30},
+                                        {59, 42},
+                                        {28, 28},
+                                        {47, 29}}};
+const raylib::Color col1 = raylib::Color::Green();
+const raylib::Color col2 = raylib::Color::Red();
+} // namespace Lights

src/lights/light.cpp

@@ -0,0 +1,38 @@
+#include "light.h"
+#include "../consts.cpp"
+#include "Vector2.hpp"
+#include "raylib.h"
+#include <cstdio>
+
+namespace Lights {
+Light::Light(raylib::Vector2 position, raylib::Color color1,
+             raylib::Color color2, int radius, LightState startingState,
+             int startingCycle)
+    : position(position), radius(radius), color1(color1), color2(color2),
+      state(startingState), cycle(startingCycle) {};
+Light::~Light() = default;
+
+void Light::Update() {
+  cycle++;
+  if (cycle >= MAX_CYCLE_FRAMES) {
+    SwitchState();
+    cycle = 0;
+  }
+}
+
+void Light::Draw() {
+  raylib::Color col = (state == Lights::LightState::color1) ? color1 : color2;
+  DrawCircleV(position, radius + 1, col.Alpha(0.5));
+  DrawCircleV(position, radius, col);
+}
+
+Lights::LightState Light::SwitchState() {
+  switch (state) {
+  case Lights::LightState::color1:
+    return state = Lights::LightState::color2;
+  case Lights::LightState::color2:
+    return state = Lights::LightState::color1;
+  }
+  return state;
+}
+} // namespace Lights

src/lights/light.h

@@ -0,0 +1,29 @@
+#include "Color.hpp"
+#include "Vector2.hpp"
+namespace Lights {
+enum LightState {
+  color1,
+  color2,
+};
+
+class Light {
+public:
+  Light(raylib::Vector2 position, raylib::Color color1, raylib::Color color2,
+        int radius, LightState startingState, int startingCycle);
+
+  void Update();
+  void Draw();
+
+  ~Light();
+
+private:
+  LightState SwitchState();
+
+  raylib::Vector2 position;
+  int radius;
+  raylib::Color color1;
+  raylib::Color color2;
+  LightState state;
+  int cycle;
+};
+} // namespace Lights

src/lights/manager.cpp

@@ -0,0 +1,31 @@
+#include "manager.h"
+#include "../consts.cpp"
+#include <memory>
+
+namespace Lights {
+
+Manager::Manager() {
+  int cycle = 0;
+  lights.reserve(POSITIONS.size());
+  for (const auto &position : POSITIONS) {
+    lights.emplace_back(new Light(
+        position, col1, col2, 2,
+        (cycle % 2 == 0) ? LightState::color1 : LightState::color2, 0));
+    cycle++;
+  }
+};
+Manager::~Manager() = default;
+
+void Manager::Update() {
+  for (auto lighti = 0; lighti < lights.size(); lighti++) {
+    auto &light = lights[lighti];
+    light->Update();
+  }
+}
+
+void Manager::Draw() {
+  for (auto lighti = 0; lighti < lights.size(); lighti++)
+    lights[lighti]->Draw();
+}
+
+} // namespace Lights

src/lights/manager.h

@@ -0,0 +1,16 @@
+#include "light.h"
+#include <memory>
+#include <vector>
+
+namespace Lights {
+class Manager {
+public:
+  Manager();
+  void Update();
+  void Draw();
+  ~Manager();
+
+private:
+  std::vector<std::unique_ptr<Light>> lights;
+};
+} // namespace Lights

src/main.cpp

@@ -1,4 +1,8 @@
+#include "../data/tree.png.h"
+#include "Functions.hpp"
+#include "Vector2.hpp"
 #include "consts.cpp"
+#include "lights/manager.h"
 #include "snow/manager.h"
 #include <raylib-cpp.hpp>
 #include <raylib.h>
@@ -17,13 +21,21 @@ raylib::Window window(WIN_WIDTH, WIN_HEIGHT, "game",
 
 raylib::RenderTexture2D target(SCREEN_WIDTH, SCREEN_HEIGHT);
 
+raylib::Image treeImg =
+    raylib::LoadImageFromMemory(".png", tree_png, tree_png_len);
+
+raylib::Texture2D tree = treeImg.LoadTexture();
+
 Snow::Manager sMgr;
+Lights::Manager lMgr;
 
 int main(void) {
-  window.SetMinSize({320, 240});
+  window.SetMinSize({SCREEN_WIDTH, SCREEN_HEIGHT});
   window.SetTargetFPS(60);
   window.SetExitKey(KEY_BACKSPACE);
 
+  tree.SetFilter(TEXTURE_FILTER_POINT);
+
 #if defined(PLATFORM_WEB)
   emscripten_set_main_loop(MainLoop, 0, 1);
 #else
@@ -43,10 +55,13 @@ void MainLoop() {
         MIN((float)winWidth / SCREEN_WIDTH, (float)winHeight / SCREEN_HEIGHT);
 
     sMgr.Update();
+    lMgr.Update();
 
     target.BeginMode();
     {
-      ClearBackground(BLACK);
+      // ClearBackground(BLACK);
+      DrawTexture(tree, 0, 0, raylib::Color::White());
+      lMgr.Draw();
       sMgr.Draw();
     }
     target.EndMode();

src/snow/manager.cpp

@@ -6,7 +6,7 @@ namespace Snow {
 Manager::Manager() = default;
 Manager::~Manager() = default;
 
-void Manager::NewSnow() { snows.emplace_back(new Snow()); }
+void Manager::NewSnow() { snows.emplace_back(new Snowflake()); }
 void Manager::NewSnows(int count) {
   snows.reserve(snows.size() + count);
   for (int i = 0; i < count; i++)

src/snow/manager.h

@@ -13,7 +13,7 @@ public:
   ~Manager();
 
 private:
-  std::vector<std::unique_ptr<Snow>> snows;
+  std::vector<std::unique_ptr<Snowflake>> snows;
   void Kill(int pos);
   int frames = 0;
 };

src/snow/snow.cpp

@@ -5,13 +5,13 @@
 #include <raylib.h>
 
 namespace Snow {
-Snow::Snow() : Snow(GetRandomValue(0, 320)) {}
-Snow::Snow(int x) : Snow(raylib::Vector2(x, 0)) {}
-Snow::Snow(raylib::Vector2 pos) : position(pos) {}
+Snowflake::Snowflake() : Snowflake(GetRandomValue(0, 320)) {}
+Snowflake::Snowflake(int x) : Snowflake(raylib::Vector2(x, 0)) {}
+Snowflake::Snowflake(raylib::Vector2 pos) : position(pos) {}
 
-void Snow::Move() {
+void Snowflake::Move() {
   raylib::Vector2 move;
-  int hMove = GetRandomValue(0, INV_CHANCE);
+  int hMove = GetRandomValue(0, INV_HORMOVE_CHANCE);
   if (hMove <= 1) {
     hMove = hMove * 2 - 1;
   } else {
@@ -22,16 +22,16 @@ void Snow::Move() {
   position += move;
 }
 
-bool Snow::IsAlive() { return live; }
+bool Snowflake::IsAlive() { return live; }
 
-void Snow::CheckLive() {
+void Snowflake::CheckLive() {
   if (position.y >= SCREEN_HEIGHT) {
     live = false;
   }
 }
 
-void Snow::Update() {
-  if (currCycle >= MAX_SECS) {
+void Snowflake::Update() {
+  if (currCycle >= MAX_CYCLE_FRAMES) {
     Move();
     CheckLive();
     currCycle = 0;
@@ -40,7 +40,7 @@ void Snow::Update() {
   currCycle++;
 }
 
-void Snow::Draw() { raylib::Color::White().DrawPixel(position); }
+void Snowflake::Draw() { raylib::Color::White().DrawPixel(position); }
 
-Snow::~Snow() = default;
+Snowflake::~Snowflake() = default;
 } // namespace Snow

src/snow/snow.h

@@ -2,17 +2,17 @@
 #include <sys/types.h>
 
 namespace Snow {
-class Snow {
+class Snowflake {
 public:
-  Snow();
-  Snow(int x);
-  Snow(raylib::Vector2 pos);
+  Snowflake();
+  Snowflake(int x);
+  Snowflake(raylib::Vector2 pos);
 
   void Update();
   void Draw();
   bool IsAlive();
 
-  ~Snow();
+  ~Snowflake();
 
 private:
   raylib::Vector2 position;