diff --git a/_config.yml b/_config.yml
deleted file mode 100644
index c419263..0000000
--- a/_config.yml
+++ /dev/null
@@ -1 +0,0 @@
-theme: jekyll-theme-cayman
\ No newline at end of file
diff --git a/src/ihm/.gitkeep b/src/ihm/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/jeu/components/.gitkeep b/src/jeu/components/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/jeu/utils/.gitkeep b/src/jeu/utils/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/tmpmeth/DamageCalculator.java b/src/tmpmeth/DamageCalculator.java
new file mode 100644
index 0000000..65e71d9
--- /dev/null
+++ b/src/tmpmeth/DamageCalculator.java
@@ -0,0 +1,13 @@
+package tmpmeth;
+
+public class DamageCalculator {
+        
+    public static int calculDamage(Dice d6, Dice d4) {
+        int r = d6.roll() - d4.roll();
+        if(r < 0) {
+        	r = 0;
+        }
+        return r;
+    }
+}
+
diff --git a/src/tmpmeth/Dice.java b/src/tmpmeth/Dice.java
new file mode 100644
index 0000000..54d6040
--- /dev/null
+++ b/src/tmpmeth/Dice.java
@@ -0,0 +1,24 @@
+package tmpmeth;
+import java.lang.Math;
+
+public class Dice {
+
+	private int max;
+
+	public Dice() {
+		this(0);
+	}
+	
+	public Dice(int m) {
+		this.max = m;
+	}
+	
+	public int roll() {
+		return (int)((max)*Math.random())+1;
+	}
+	
+	public int getMax() {
+		return this.max;
+	}
+	
+}
diff --git a/src/tmpmeth/start.java b/src/tmpmeth/start.java
new file mode 100644
index 0000000..bb2c7d8
--- /dev/null
+++ b/src/tmpmeth/start.java
@@ -0,0 +1,13 @@
+package tmpmeth;
+
+public class start {
+
+	public static void main(String[] args) {
+		// TODO Auto-generated method stub
+	    Dice d4 = new Dice(4);
+	    Dice d6 = new Dice(6);
+	    
+	    System.out.println(DamageCalculator.calculDamage(d6, d4));
+
+	}
+}