Better horizontal acceleration courtesy of Alex M.

src/player.c

@@ -6,30 +6,42 @@
 #include "raylib.h"
 
 // let's a go!
-
+float curhorvel=0.0f; //current horizonatal velocity
 void UpdatePlayerControls(void)
 {
     // if there isn't a player, you probably can't do much
-    if (!player)
+    if (!player){
         return;
-
+    }
+    if(curhorvel==0.0f){
+        curhorvel=10.0f*scale;
+    }
     // if a key pressed, push player to the left
     if (IsKeyDown(KEY_A))
     {
+        if(curhorvel<PMV){
+            curhorvel=curhorvel*PLAYER_SPEED_FACTOR;
+        }
         ApplyForce(
             player,
-            (Vector2){-PLAYER_FORCE, 0}
+            (Vector2){-curhorvel, 0}
         );
     }
     // if d key pressed, push player to the right
-    if (IsKeyDown(KEY_D))
+    else if (IsKeyDown(KEY_D))
     {
+        if(curhorvel<=PMV){
+            curhorvel=curhorvel*PLAYER_SPEED_FACTOR;
+        }
         ApplyForce(
             player,
-            (Vector2){PLAYER_FORCE, 0}
-        );
+            (Vector2){curhorvel, 0}
+       );
     }
-    // if sspace key pressed (and player isn't already jumping), push player upward
+    else{
+        curhorvel=10.0f*scale;
+    }
+    // if sspace key pressed (and player isn't already jumping), push player
     if (IsGrounded(player) &&
         IsKeyPressed(KEY_SPACE))
     {

src/world.c

@@ -1,11 +1,14 @@
 #include <stddef.h>
 #include "world.h"
 
+// the beeg one. hooooooooooooooooh boy
+
 const float scale = 43.7445319335f;
 const float g = 9.81f * scale;
 
-const float PLAYER_FORCE = 3500.0f;
-const float JUMP_FORCE = 22000.0f;
+const float PMV = 10000.0*scale; //Player Max Velocity
+const float PLAYER_SPEED_FACTOR =1.3f;
+const float JUMP_FORCE = 300.0f*scale;
 
 const float AIR_DRAG = 0.999f;
 
@@ -79,7 +82,9 @@ Entity *SpawnEntity(
 
     return NULL;
 }
-
+// say bye bye to EVERYTHINGGGG AHAHAHAHAHAAH
+// im a little mad with power
+// this is literally just a helper function to clear the entities and player
 void ClearWorld(void)
 {
     for (int i = 0; i < MAX_ENTITIES; i++)
@@ -90,6 +95,7 @@ void ClearWorld(void)
     player = NULL;
 }
 
+// used in main.c to start the actual engine behaviors. spawns the player, and a few other boxes for funsies.
 void InitWorld(void)
 {
     ClearWorld();
@@ -119,6 +125,7 @@ void InitWorld(void)
     simTime = 0.0f;
 }
 
+// helper function: count number of entities. Something somewhere uses this. I think it's probably for entity counting. Don't quote me on that.
 int CountEntities(void)
 {
     int count = 0;

src/world.h

@@ -12,6 +12,10 @@ extern bool isSimulating;
 
 extern float simTime;
 
+extern const float PMV;
+
+extern const float PLAYER_SPEED_FACTOR;
+
 void ApplyForce(Entity *e, Vector2 force);
 bool IsGrounded(Entity *e);