Added scale factor for accurate calculations.

ray.c

@@ -4,12 +4,14 @@
 
 // Changes:
 // Reversing gravity makes it work?!!!
+// Added scale factor, mathed the shit out of that.
 
 #include <stdio.h>
 #include <stdlib.h>
 #include "raylib.h"
 
-const float g = 9.81;   // Gravity is inversed cause raylib uses top right corner as origin
+const float scale=43.7445319335; // We must find a scale factor, as gravity is calculated based on PIXELS rather than METERS. We say the character is 3 ft so we divide 40 pixels by the equvalent amount of meters for 3ft which is .9144. so 40/.9144 to get what one pixel is in terms of meters. Left as a variable because this will probably be recalculated eventually.
+const float g = 9.81*scale;   // Gravity is inversed cause raylib uses top right corner as origin.
 float obj_x = 100;      // Starting X (pixels)
 float obj_y = 100;      // Starting Y (pixels)
 float obj_vel_x = 50;   // Velocity X (pixels/second)
@@ -21,26 +23,26 @@ float rect_size = 40;   // Size of the rectangle
 int main(void) {
     const int screenWidth = 800;
     const int screenHeight = 600;
-    
+
-    InitWindow(screenWidth, screenHeight, "Physics Engine - Falling Rectangle");
+    InitWindow(screenWidth, screenHeight, "WrldBox // ray.c");
     SetTargetFPS(60);  // 60 frames per second
-    
+
     float deltaTime = 0.0f;
     bool isSimulating = true;
-    
+
     printf(">= SIMULATION PARAMETERS =<\n");
-    printf("g= %f\nX= %.2f Y= %.2f GROUND_Y= %.2f\nVEL_X= %.2f  VEL_Y= %.2f\n\n", 
+    printf("g= %f\nX= %.2f Y= %.2f GROUND_Y= %.2f\nVEL_X= %.2f  VEL_Y= %.2f\n\n",
            g, obj_x, obj_y, ground_y, obj_vel_x, obj_vel_y);
-    
+
     while (!WindowShouldClose()) {
         // Calculate delta time (time since last frame)
         deltaTime = GetFrameTime();
-        
+
         // Control simulation with spacebar
         if (IsKeyPressed(KEY_SPACE)) {
             isSimulating = !isSimulating;
         }
-        
+
         // Reset with R key
         if (IsKeyPressed(KEY_R)) {
             obj_x = 100;
@@ -51,74 +53,74 @@ int main(void) {
             isSimulating = true;
             printf("\n>= SIMULATION RESET =<\n");
         }
-        
+
         // Update physics if simulating and object is above ground
         if (isSimulating && obj_y + rect_size/2 < ground_y) {
             // Your original physics logic with deltaTime
             obj_vel_y += deltaTime * g;           // v = u + at
             obj_y += obj_vel_y * deltaTime;       // s = ut + 1/2 at^2 is handled by this
             obj_x += obj_vel_x * deltaTime;
-            
+
             time_step += deltaTime;
-            
+
             // Real-time console output (optional)
             if ((int)(time_step * 60) % 30 == 0) { // Print every ~0.5 seconds
-                printf("\r[%.2fs] X: %.2f Y: %.2f VEL_X: %.2f VEL_Y: %.2f", 
+                printf("\r[%.2fs] X: %.2f Y: %.2f VEL_X: %.2f VEL_Y: %.2f",
                        time_step, obj_x, obj_y, obj_vel_x, obj_vel_y);
                 fflush(stdout);
             }
         }
-        
+
         // Clamp to ground (prevent going through)
         if (obj_y + rect_size/2 >= ground_y) {
             obj_y = ground_y - rect_size/2;
             if (isSimulating) {
                 printf("\n\n>= Object Hit Ground =<\n");
-                printf("X: %.2f, Y: %.2f, VEL_X: %.2f, VEL_Y: %.2f TIME: %.2f\n", 
+                printf("X: %.2f, Y: %.2f, VEL_X: %.2f, VEL_Y: %.2f TIME: %.2f\n",
                        obj_x, obj_y, obj_vel_x, obj_vel_y, time_step);
                 isSimulating = false;
             }
         }
-        
+
         // Keep rectangle in screen bounds horizontally
         if (obj_x - rect_size/2 < 0) obj_x = rect_size/2;
         if (obj_x + rect_size/2 > screenWidth) obj_x = screenWidth - rect_size/2;
-        
+
         // Drawing
         BeginDrawing();
         ClearBackground(RAYWHITE);
-        
+
         // Draw ground line
         DrawLine(0, ground_y, screenWidth, ground_y, DARKGRAY);
-        
+
         // Draw ground label
         DrawText("GROUND", 10, ground_y + 5, 20, DARKGRAY);
-        
+
         // Draw the falling rectangle
         Rectangle rect = { obj_x - rect_size/2, obj_y - rect_size/2, rect_size, rect_size };
         DrawRectangleRec(rect, RED);
         DrawRectangleLinesEx(rect, 2, MAROON);
-        
+
         // Draw info text
         DrawText(TextFormat("Time: %.2f s", time_step), 10, 10, 20, DARKGRAY);
         DrawText(TextFormat("Position: (%.1f, %.1f)", obj_x, obj_y), 10, 35, 20, DARKGRAY);
         DrawText(TextFormat("Velocity: (%.1f, %.1f)", obj_vel_x, obj_vel_y), 10, 60, 20, DARKGRAY);
         DrawText(TextFormat("Status: %s", isSimulating ? "SIMULATING" : "PAUSED"), 10, 85, 20, isSimulating ? GREEN : RED);
-        
+
         // Draw controls help
         DrawText("Controls:", screenWidth - 200, 10, 20, DARKGRAY);
         DrawText("SPACE: Pause/Resume", screenWidth - 200, 35, 15, DARKGRAY);
         DrawText("R: Reset", screenWidth - 200, 55, 15, DARKGRAY);
         DrawText("ESC: Exit", screenWidth - 200, 75, 15, DARKGRAY);
-        
+
         // Draw velocity vector (optional visualization)
         Vector2 velocityEnd = { obj_x + obj_vel_x * 0.1f, obj_y + obj_vel_y * 0.1f };
         DrawLineEx((Vector2){obj_x, obj_y}, velocityEnd, 3, BLUE);
         DrawText("Velocity Vector", obj_x + 5, obj_y - 10, 15, BLUE);
-        
+
         EndDrawing();
     }
-    
+
     CloseWindow();
     return 0;
 }