i&m: value on keypressed

1 files changed, 16 insertions, 4 deletions

diff --git a/Year_2/IandM/minimum/minimum.pde b/Year_2/IandM/minimum/minimum.pde
index b960a24..c2057c8 100644
--- a/Year_2/IandM/minimum/minimum.pde
+++ b/Year_2/IandM/minimum/minimum.pde
@@ -1,11 +1,23 @@
+int k = 1;
 void setup() {
   size(512, 256);
+}
+
+void draw() {
   PImage img = loadImage("lena.png");
   img.resize(256, 256);
   img.filter(GRAY);
 
   image(img, 0, 0);
-  image(minimum(img, 11), 256, 0);
+  image(minimum(img, k), 256, 0);
+}
+
+void keyPressed() {
+  if (key == '+') {
+    k++;
+  } else if (key == '-') {
+    k--;
+  }
 }
 
 PImage minimum(PImage I, int n) {
@@ -18,11 +30,11 @@ PImage minimum(PImage I, int n) {
       PImage t = I.get(x-off, y-off, n, n);
       float[] tarr = new float[n*n];
       t.loadPixels();
-      
-      for(int i = 0; i < t.pixels.length; ++i) {
+
+      for (int i = 0; i < t.pixels.length; ++i) {
         tarr[i] = red(t.pixels[i]);
       }
-      
+
       out.set(x, y, color(min(tarr)));
     }
   }