From 49805bf316bd9ed1a8dcbd829a0c28b9399d1ff3 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Tue, 23 Feb 2021 19:07:56 +0100
Subject: i&m: exercises of 23rd feb

---
 Year_2/IandM/02232021_1/Auto.pde          |  29 +++++++++++++++
 Year_2/IandM/02232021_1/AutoElettrica.pde |  29 +++++++++++++++
 Year_2/IandM/02232021_1/Exercise1.pde     |  19 ++++++++++
 Year_2/IandM/02232021_2/Exercise2.pde     |  59 ++++++++++++++++++++++++++++++
 Year_2/IandM/02232021_2/data/monkey.jpg   | Bin 0 -> 33054 bytes
 5 files changed, 136 insertions(+)
 create mode 100755 Year_2/IandM/02232021_1/Auto.pde
 create mode 100755 Year_2/IandM/02232021_1/AutoElettrica.pde
 create mode 100755 Year_2/IandM/02232021_1/Exercise1.pde
 create mode 100755 Year_2/IandM/02232021_2/Exercise2.pde
 create mode 100755 Year_2/IandM/02232021_2/data/monkey.jpg

diff --git a/Year_2/IandM/02232021_1/Auto.pde b/Year_2/IandM/02232021_1/Auto.pde
new file mode 100755
index 0000000..62c3181
--- /dev/null
+++ b/Year_2/IandM/02232021_1/Auto.pde
@@ -0,0 +1,29 @@
+class Auto {
+  private int posx;
+  private int posy;
+  
+  private float velx = random(2, 10); // [2, 10);
+  
+  private int MYCOLOR = #007CA0; // this is blue
+  
+  public Auto() {
+    this.posx = -60;
+    this.posy = 512/3;
+  }
+  
+  public float velx() {
+    return this.velx;
+  }
+  
+  void draw() {
+    rectMode(CORNER);
+    noStroke();
+    fill(this.MYCOLOR);
+    rect(posx, posy, 60, 30);
+    posx += velx;
+    
+    if(posx >= 512) {
+      posx = -60;
+    }
+  }
+}
diff --git a/Year_2/IandM/02232021_1/AutoElettrica.pde b/Year_2/IandM/02232021_1/AutoElettrica.pde
new file mode 100755
index 0000000..f952b29
--- /dev/null
+++ b/Year_2/IandM/02232021_1/AutoElettrica.pde
@@ -0,0 +1,29 @@
+class AutoElettrica extends Auto {
+  private int MYCOLOR = (int)random(0, 255);
+  private boolean triangle_turn = true;
+
+  AutoElettrica(float velx) {
+    super.velx = velx/2;
+    super.posx = -60;
+    super.posy = 512*2/3;
+  }
+
+  void draw() {
+    rectMode(CORNER);
+    noStroke();
+    fill(this.MYCOLOR);
+    rect(super.posx, super.posy, 60, 30);
+    super.posx += super.velx;
+
+    fill(#EFFC38); // triangle color, this is yellow
+
+    if (this.triangle_turn) {
+      triangle(super.posx+30, super.posy, super.posx+60, super.posy+30, super.posx, super.posy+30);
+    }
+    
+    if (super.posx >= 512) {
+      super.posx = -60;
+      this.triangle_turn = !this.triangle_turn;
+    }
+  }
+}
diff --git a/Year_2/IandM/02232021_1/Exercise1.pde b/Year_2/IandM/02232021_1/Exercise1.pde
new file mode 100755
index 0000000..c7bea6b
--- /dev/null
+++ b/Year_2/IandM/02232021_1/Exercise1.pde
@@ -0,0 +1,19 @@
+Auto a = new Auto();
+AutoElettrica ea = new AutoElettrica(a.velx());
+
+void setup() {
+  size(512, 512);
+}
+
+void draw() {
+  background(255);
+  a.draw();
+  ea.draw();
+}
+
+void keyPressed() {
+  if(key == 'R' || key == 'r') {
+    a = new Auto();
+    ea = new AutoElettrica(a.velx());
+  }
+}
diff --git a/Year_2/IandM/02232021_2/Exercise2.pde b/Year_2/IandM/02232021_2/Exercise2.pde
new file mode 100755
index 0000000..28d29b4
--- /dev/null
+++ b/Year_2/IandM/02232021_2/Exercise2.pde
@@ -0,0 +1,59 @@
+void setup() {
+  size(768, 256);
+  PImage img = loadImage("monkey.jpg");
+  img.resize(256, 256);
+  img.filter(GRAY);
+
+  image(img, 0, 0);
+
+  PImage revimg = rev(img);
+  image(revimg, 256, 0);
+  
+  int random_number = (int)random(5, 15); // [5, 15)
+  image(mass(revimg, random_number), 512, 0);
+}
+
+PImage rev(PImage I) {
+  PImage out = I.copy();
+  int t;
+
+  for (int row = 0; row < out.width; ++row) {
+    for (int i = 0, j = out.width-1; i < out.width/2; ++i, --j) {
+      t = out.get(i, row);
+      out.set(i, row, out.get(j, row));
+      out.set(j, row, t);
+    }
+  }
+
+  // yellow pixels
+  for (int i = 0; i < out.width; ++i)
+    out.set(i, i, color(#EFFC38));
+
+
+  return out;
+}
+
+PImage mass(PImage I, int n) {
+  PImage out = createImage(I.width, I.height, RGB);
+  
+  // image and array aux
+  PImage tmp;
+  float[] tarr = new float[n*n];
+  
+  int off = n/2;
+  
+  for(int i = 0; i < out.width; ++i) {
+    for(int j = 0; j < out.height; ++j) {
+      tmp = I.get(i-off, j-off, n, n);
+      
+      tmp.loadPixels();
+      for(int k = 0; k < tmp.pixels.length; ++k) {
+        tarr[k] = red(tmp.pixels[k]);
+      }
+        
+      out.set(i, j, color(max(tarr)));
+    }
+  }
+  
+  return out;
+}
diff --git a/Year_2/IandM/02232021_2/data/monkey.jpg b/Year_2/IandM/02232021_2/data/monkey.jpg
new file mode 100755
index 0000000..76d04f2
Binary files /dev/null and b/Year_2/IandM/02232021_2/data/monkey.jpg differ
-- 
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