very bad collision(work in progress)

OLD/Makefile

@@ -0,0 +1,21 @@
+# 1. Variables (to avoid repeating yourself)
+CC = gcc
+CFLAGS = -Iinclude
+LDFLAGS = -Llib -lraylib -lGL -lm -lpthread -ldl -lrt -lX11
+
+# 2. Default target (runs when you just type 'make')
+default: visual text
+
+# 3. Specific build targets
+visual: ray.c
+	$(CC) ray.c -o ray.out $(CFLAGS) $(LDFLAGS)
+
+text: text_physics.c
+	$(CC) text_physics.c -o text_physics.out $(CFLAGS) $(LDFLAGS)
+
+# 4. Cleanup targets (all mapped to the same action)
+clean clear rm remove wipe:
+	rm -f ray.out text_physics.out
+
+# 5. Phony targets (tells make these are actions, not actual files)
+.PHONY: default visual text clean clear rm remove wipe

OLD/ray.c

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+// ray.c A-0-i by team wholeworldcoding.
+// working physics simulation with 1 object, limited playground and fixed parameters
+// This is P7MJ, out.
+
+// 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 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)
+float obj_vel_y = 0;    // Velocity Y (pixels/second)
+float ground_y = 550;   // Ground at 550 pixels (assuming 600px screen height)
+float time_step = 0.0f;
+float rect_size = 40;   // Size of the rectangle
+
+int main(void) {
+    const int screenWidth = 800;
+    const int screenHeight = 600;
+
+    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",
+           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;
+            obj_y = 100;
+            obj_vel_x = 50;
+            obj_vel_y = 0;
+            time_step = 0.0f;
+            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",
+                       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",
+                       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;
+}

OLD/structure.txt

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+launcher.c
+  render.c
+    character.c
+    physics.c

OLD/text_physics.c

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+#include <stdio.h>
+#include <stdlib.h>
+#ifdef _WIN32
+    #include <windows.h>
+    #define cross_sleep(ms) Sleep(ms)       // Windows Sleep takes milliseconds
+#else
+    #include <unistd.h>
+    #define cross_sleep(ms) usleep(ms * 1000) // POSIX usleep takes microseconds
+#endif
+
+const float g = -9.81;
+float obj_x = 0;
+float obj_y = 100;
+float obj_vel_x = 3;
+float obj_vel_y = 0;
+float ground_y = 0;
+float time = 0;
+
+int main() {
+    printf(">= SIMULATION PARAMETERS =<\n");
+    printf("g= %f\nX= %f Y= %f GROUND_Y= %f\nVEL_X= %.f  VEL_Y= %f\n\n", g, obj_x, obj_y, ground_y, obj_vel_x, obj_vel_y);
+    while (obj_y > ground_y){
+        // Add to the vel;
+        obj_vel_y += 0.001 * g;
+
+        // calculate change based on new vel
+        obj_y += obj_vel_y * 0.001;
+        obj_x += obj_vel_x * 0.001;
+        printf("\r[%.2fs] X: %.2f Y: %.2f VEL_X: %.2f VEL_Y: %.2f", time, obj_x, obj_y, obj_vel_x, obj_vel_y);
+        fflush(stdout);
+
+        cross_sleep(1); 
+        time += 0.001;
+    }
+    printf("\n\n>= Object End Stats =<\n");
+    printf("X: %.2f, Y: %.2f, VEL_X: %.2f, VEL_Y: %.2f TIME: %f\n", obj_x, obj_y, obj_vel_x, obj_vel_y, time);
+    return 0;
+}