RAYS CAUSE WE BASED N SHIT

main.cpp

@@ -1,9 +1,11 @@
 #include <Windows.h>
 #include <stdio.h>
+#include <iostream>
 #include "SDL.h"
 
 #include "stuff/objects/vector2.h"
 #include "stuff/objects/vector3.h"
+#include "stuff/objects/ray2D.h"
 
 #include "stuff/globals/globals.h"
 #include "stuff/callbacks/callbacks.h"
@@ -13,21 +15,35 @@ int main(int argc, char** argv)
 {
 	SDL_Window* window = nullptr;
 	SDL_Surface* surface = nullptr;
+	SDL_Renderer* renderer = nullptr;
 
 	SDL_Init(SDL_INIT_VIDEO);
 	window = SDL_CreateWindow("threedee", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1280, 720, SDL_WINDOW_SHOWN);
 	surface = SDL_GetWindowSurface(window);
+	renderer = SDL_CreateRenderer(window, -1, NULL);
+	SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
 	SDL_Event eventHandler;
 
 	global::entList.push_back(square(200, 200, 50));
 
+	//global::entList3D.push_back(cube(200, 200, 100, 50));
+
 	while (global::running)
 	{
 		callbacks::handleCallbacks(&eventHandler);
 
-		global::entList.run(surface);
+		//SDL_FillRect(surface, NULL, SDL_MapRGB(surface->format, 0, 0, 0));
+
+		ray2D ray = ray2D::trace(vector2(0, 200), vector2(1, 0));
+		//SDL_RenderClear(renderer);
+		SDL_RenderDrawLine(renderer, ray.start.x, ray.start.y, ray.end.x, ray.end.y);
+		SDL_RenderPresent(renderer);
+
+
+		//global::entList.run(surface);
+		//global::entList3D.run(surface);
 
-		SDL_UpdateWindowSurface(window);
+		//SDL_UpdateWindowSurface(window);
 		SDL_Delay(1);
 	}
 	SDL_DestroyWindow(window);

stuff/globals/globals.cpp

@@ -3,3 +3,4 @@
 bool global::running = true;
 vector2 global::mousePos;
 entityList2D global::entList;
+entityList3D global::entList3D;

stuff/globals/globals.h

@@ -1,9 +1,11 @@
 #pragma once
 #include "../objects/vector3.h"
 #include "../objects/entityList2D.h"
+#include "../objects/entityList3D.h"
 namespace global
 {
 	extern bool running;
 	extern vector2 mousePos;
 	extern entityList2D entList;
+	extern entityList3D entList3D;
 }

stuff/objects/camera.h

@@ -0,0 +1,5 @@
+#pragma once
+struct camera
+{
+
+};

stuff/objects/cube.h

@@ -16,7 +16,7 @@ struct cube : public square
 	}
 	void run(SDL_Surface* surface)
 	{
-		SDL_Rect rect{ this->x, this->y, this->radius, this->radius };
-		SDL_FillRect(surface, &rect, SDL_MapRGB(surface->format, 0xFF, 0xFF, 0xFF));
+		//SDL_Rect rect{ this->x, this->y, this->radius, this->radius };
+		//SDL_FillRect(surface, &rect, SDL_MapRGB(surface->format, 0xFF, 0xFF, 0xFF));
 	}
 };

stuff/objects/ray2D.h

@@ -0,0 +1,40 @@
+#pragma once
+#include "../globals/globals.h"
+
+#include "vector2.h"
+
+//temp
+bool inRect(vector2 point, vector2 a, vector2 b)
+{
+	return (point.x > a.x && point.y > a.y && point.x < b.x && point.y < b.y);
+}
+
+struct ray2D
+{
+	vector2 start;
+	vector2 end;
+	float dist;
+	static ray2D trace(vector2 start, vector2 direction)
+	{
+		ray2D ray { start, start, 19 };
+		vector2 point = start;
+		bool hit = false;
+		while (!hit)
+		{
+			for (square object : global::entList)
+			{
+				if (inRect(point, vector2(object.x - (object.radius / 2), object.y - (object.radius / 2)), vector2(object.x + (object.radius / 2), object.y + (object.radius / 2))))
+				{
+					ray.start = start;
+					ray.end = point;
+					ray.dist = 19;
+					hit = true;
+					break;
+				}
+			}
+			point.x += direction.x;
+			point.y += direction.y;
+		}
+		return ray;
+	}
+};

threedee.vcxproj

@@ -241,10 +241,12 @@
     <ClInclude Include="sdl\include\SDL_video.h" />
     <ClInclude Include="sdl\include\SDL_vulkan.h" />
     <ClInclude Include="stuff\callbacks\callbacks.h" />
+    <ClInclude Include="stuff\objects\camera.h" />
     <ClInclude Include="stuff\objects\entityList3D.h" />
     <ClInclude Include="stuff\globals\globals.h" />
     <ClInclude Include="stuff\objects\cube.h" />
     <ClInclude Include="stuff\objects\entityList2D.h" />
+    <ClInclude Include="stuff\objects\ray2D.h" />
     <ClInclude Include="stuff\objects\square.h" />
     <ClInclude Include="stuff\objects\vector2.h" />
     <ClInclude Include="stuff\objects\vector3.h" />

threedee.vcxproj.filters

@@ -297,6 +297,12 @@
     <ClInclude Include="stuff\objects\entityList3D.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="stuff\objects\camera.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="stuff\objects\ray2D.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="main.cpp">