start

.direnv/nix-profile-pre526521.970a59bd19ef

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+/nix/store/w1db6kd959lj74biy3mhhs7qfafr8srs-nix-shell-env

.envrc

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+use nix

program.pde

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+int x;
+int y;
+
+
+void setup(){
+  size(800,800);
+  rectMode(CENTER);
+}
+
+void draw(){
+  rect(x, y, 50, 50);
+}
+void keyPressed()
+{
+  if (key == CODED)
+  {
+    if (keyCode == LEFT)
+    {
+      //if (directionX>0) {
+      x--;
+      //}
+    }
+    else if (keyCode == RIGHT)
+    {
+      //if (directionX<0) {
+      x++;
+      //}
+    }
+    else if (keyCode == UP)
+    {
+      //if (directionY<0) {
+      y--;
+      //}
+    }
+    else if (keyCode == DOWN)
+    {
+      //if (directionY<0) {
+      y++;
+      //}
+    }
+  }
+}

shell.nix

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+{ pkgs ? import <nixpkgs> {} }:
+
+with pkgs;
+
+mkShell {
+  buildInputs = [
+    pkgs.processing
+  ];
+  shellHook = ''
+    export PROCESSING_PATH=${pkgs.processing}/bin/processing-java
+    export PROCESSING_APPLICATION_DIR=${pkgs.processing}/share/processing/processing
+  '';
+}