From f430bfe8f71430032bec689bf0bbdc94ac409c22 Mon Sep 17 00:00:00 2001
From: nasr <nsrddyn@gmail.com>
Date: Sat, 11 Apr 2026 23:22:18 +0200
Subject: feature(main): enemy entitiy

---
 .gitignore         |   1 +
 Makefile           |  20 +++++++++++++++++
 build.sh           |  13 -----------
 build/app          | Bin 73272 -> 0 bytes
 build/core.o       | Bin 3889350 -> 0 bytes
 build/libcore.a    | Bin 3889418 -> 0 bytes
 build/libcore.so   | Bin 69888 -> 0 bytes
 source/core/core.c |  64 +++++++++++++++++++++++++++++++----------------------
 8 files changed, 59 insertions(+), 39 deletions(-)
 create mode 100755 Makefile
 delete mode 100755 build.sh
 delete mode 100755 build/app
 delete mode 100644 build/core.o
 delete mode 100644 build/libcore.a
 delete mode 100755 build/libcore.so

diff --git a/.gitignore b/.gitignore
index 11180ab..ef92f11 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ idea/
 idea
 idea/*
 .idea
+/build
diff --git a/Makefile b/Makefile
new file mode 100755
index 0000000..fc49e88
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,20 @@
+.PHONY: all clean
+
+CC := gcc
+CFLAGS := -I. -Wall -Wextra -Wno-unused-function -Wno-unused-variable -DCORE_UNITY
+LDLIBS := -lX11 -lm
+
+BUILD_DIR := build
+TARGET := $(BUILD_DIR)/app
+SOURCE := source/core/core.c
+
+all: $(TARGET)
+
+$(BUILD_DIR):
+	mkdir -p $(BUILD_DIR)
+
+$(TARGET): $(BUILD_DIR) $(SOURCE)
+	$(CC) $(CFLAGS) $(SOURCE) $(LDLIBS) -o $(TARGET)
+
+clean:
+	rm -rf $(BUILD_DIR)
diff --git a/build.sh b/build.sh
deleted file mode 100755
index b1e31be..0000000
--- a/build.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/sh
-set -eu
-script_dir="$(dirname "$(readlink -f "$0")")"
-cd "$script_dir"
-build_dir="build"
-mkdir -p "$build_dir"
-
-gcc -I. \
-    -Wall -Wextra -Wno-unused-function -Wno-unused-variable \
-    -DCORE_UNITY \
-    source/core/core.c \
-    -lX11 -lm \
-    -o "$build_dir"/app
diff --git a/build/app b/build/app
deleted file mode 100755
index 75c3086..0000000
Binary files a/build/app and /dev/null differ
diff --git a/build/core.o b/build/core.o
deleted file mode 100644
index 036d103..0000000
Binary files a/build/core.o and /dev/null differ
diff --git a/build/libcore.a b/build/libcore.a
deleted file mode 100644
index 6048141..0000000
Binary files a/build/libcore.a and /dev/null differ
diff --git a/build/libcore.so b/build/libcore.so
deleted file mode 100755
index 1026809..0000000
Binary files a/build/libcore.so and /dev/null differ
diff --git a/source/core/core.c b/source/core/core.c
index fffcb47..f9d062a 100644
--- a/source/core/core.c
+++ b/source/core/core.c
@@ -69,53 +69,65 @@ int main()
     XMapWindow(MainDisplay, window);
     XEvent event;
 
+    f32 DELTA = 2.5;
+
     u32 rect_width = 50;
     u32 rect_height = 50;
+
     i32 rect_x_position = p.width / 2;
     i32 rect_y_position = p.height / 2;
 
-    u64 color = 0x0000ff00;
+    i32 rect_enemy_x_position = (p.width / 2)  + 300;   
+    i32 rect_enemy_y_position = (p.height / 2) + 300; 
+
+    u64 color = 0x0FF0FF00;
 
     GC gc = XCreateGC(MainDisplay, window, 0, NIL);
     XSetForeground(MainDisplay, gc, color);
 
     for (;running;)
     {
+        //- handle enemy movement
+        {
+            if(rect_enemy_x_position < rect_x_position) rect_enemy_x_position += DELTA*0.5;
+            if(rect_enemy_y_position < rect_y_position) rect_enemy_y_position += DELTA*0.5;
+
+            if(rect_enemy_x_position > rect_x_position) rect_enemy_x_position -= DELTA*0.5;
+            if(rect_enemy_y_position > rect_y_position) rect_enemy_y_position -= DELTA*0.5;
+        }
+
         XNextEvent(MainDisplay, &event);
-        KeySym keysym = XLookupKeysym(&event.xkey, 0);
 
         switch (event.type)
 		{
-            case (KeyPress):
-		    {
-                    if(keysym == XK_h) rect_x_position -= 20;
-                    else if(keysym == XK_l) rect_x_position += 20;
-                    else if(keysym == XK_k)
-                    {
-                        rect_y_position -= 20;
-                    }
-                    else if(keysym == XK_j)
+            case(KeyPress):
+		        {
+
+                    KeySym keysym = XLookupKeysym(&event.xkey, 0);
+                    //- handle user movement
                     {
-                        rect_y_position += 20;
+                        if(keysym == XK_h)      rect_x_position -= DELTA*1.2;
+                        else if(keysym == XK_l) rect_x_position += DELTA*1.2;
+                        else if(keysym == XK_k) rect_y_position -= DELTA*1.2;
+                        else if(keysym == XK_j) rect_y_position += DELTA*1.2;
+                        else if(keysym == XK_s);
+                        else if(keysym == XK_Escape || keysym == XK_q) goto exit;
                     }
-                    else if(keysym == XK_s)
-                    {
 
-                    }
-                    else if(keysym == XK_Escape || keysym == XK_q) goto exit;
+                    //- draw entities
+                    {
+                        XClearWindow(MainDisplay, window);
 
-                    XClearWindow(MainDisplay, window);
-                    XDrawRectangle(MainDisplay, window, gc, rect_x_position, rect_y_position, 50, 50);
-                    XFillRectangle(MainDisplay, window, gc, rect_x_position, rect_y_position, 50, 50);
+                        //--
+                        XDrawRectangle(MainDisplay, window, gc, rect_x_position, rect_y_position, 50, 50);
+                        XFillRectangle(MainDisplay, window, gc, rect_x_position, rect_y_position, 50, 50);
 
-			        break;
-		    }
+                        //--
+                        XDrawRectangle(MainDisplay, window, gc, rect_enemy_x_position, rect_y_position, 50, 50);
+                        XFillRectangle(MainDisplay, window, gc, rect_enemy_x_position, rect_y_position, 50, 50);
+                    } break;
+		        }
             default:
-			{
-
-
-			}
-
 		}
 	}
 exit:
-- 
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