failsafe distance limiter on rays

main.cpp

@@ -32,13 +32,15 @@ int main(int argc, char** argv)
 	{
 		callbacks::handleCallbacks(&eventHandler);
 
+		SDL_SetRenderDrawColor(renderer, 0, 0, 0, 0);
+		SDL_RenderFillRect(renderer, NULL);
+		SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
 		ray2D ray = ray2D::trace(vector2(0, 201), vector2(.01, 0));
 		ray2D ray2 = ray2D::trace(vector2(201, 0), vector2(0, .01));
 
 		SDL_RenderDrawLine(renderer, ray.start.x, ray.start.y, ray.end.x, ray.end.y);
 		SDL_RenderDrawLine(renderer, ray2.start.x, ray2.start.y, ray2.end.x, ray2.end.y);
 
-
 		global::entList.run(renderer);
 		global::entList3D.run(renderer);
 

stuff/objects/ray2D.h

@@ -16,7 +16,7 @@ struct ray2D
 	float dist;
 	static ray2D trace(vector2 start, vector2 direction)
 	{
-		ray2D ray { start, start, 19 };
+		ray2D ray { start, start, -1 };
 		vector2 point = start;
 		bool hit = false;
 		while (!hit)
@@ -27,11 +27,14 @@ struct ray2D
 				{
 					ray.start = start;
 					ray.end = point;
-					ray.dist = 19;
+					ray.dist = start.distance(point);
 					hit = true;
 					break;
 				}
 			}
+			ray.dist = start.distance(point);
+			if (ray.dist > 1000)
+				break;
 			point.x += direction.x;
 			point.y += direction.y;
 		}

stuff/objects/vector2.h

@@ -1,4 +1,5 @@
 #pragma once
+#include <math.h>
 /*
 vector2s hold 2D cartesian coordinates
 */
@@ -15,4 +16,13 @@ struct vector2
 		this->x = x_;
 		this->y = y_;
 	}
+	float length()
+	{
+		return sqrtf((x * x) + (y * y));
+	}
+	float distance(vector2& other)
+	{
+		vector2 dist = vector2(this->x - other.x, this->y - other.y);
+		return dist.length();
+	}
 };