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CodeToAccompany9781430244646/README.txt

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+Copyright (c) 2013, Friends of Ed (An Apress Company)
+All rights reserved.
+
+The code provided here accompanies the book:
+
+Processing: Creative Coding and Generative Art in Processing 2
+By Ira Greenberg, Dianna Xu, and Deepak Kumar
+Friends of Ed (An APress Company), 2013
+ISBN-13 978-1430244646
+
+This source code is provided "as is" for educational purposes only.
+Any express or implied warranties, including, but not limited to, the
+implied warraties of mechanibility and fitness for a particular purpose
+are disclaimed. In no event shall the copyright owner be liable for any
+direct, indirect, incidental, special, exemplary, or consequential damages
+(including but not limited to, procurement of substitute goods or services;
+loss of use, data, or profits; or business interruption) however caused
+and on any theory of liability, whether in contract, strict liability, or
+tort (including negligence or otherwise) arising in any way out of the use
+of this code, even if advised of the possibility of such damage.

CodeToAccompany9781430244646/ch02/algorithmic_face/algorithmic_face.pde

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+/*------------------------------------------------------------
+Copyright (c) 2013, friends of Ed (An Apress Company)
+All rights reserved.
+
+The code provided here accompanies the book:
+
+Processing: Creative Coding and Generative Art in Processing 2
+By Ira Greenberg, Dianna Xu, and Deepak Kumar
+friends of Ed (An APress Company), 2013
+ISBN-13 978-1430244646
+Please refer to the associated README for a full disclaimer.
+------------------------------------------------------------*/
+// algorithmic_face.pde, chapter 2
+// Algorithmic approach to drawing a face.
+
+// Simple Algorithmic Face
+size(600, 800);
+background(0);
+stroke(255);
+noFill();
+// draw ellipses from top left corner
+ellipseMode(CORNER); 
+
+// BEGIN DECLARE/INITIALIZE VARIABLES
+// HEAD 
+float headHeight = 600;
+float headWidth = headHeight*5/7;
+float head_x = (width-headWidth)/2;
+float head_y = (height-headHeight)/2;
+
+// EYES
+float eyeWidth = headWidth/5;
+float eyeHeight = eyeWidth/2;
+float irisDiam = eyeHeight;
+float pupilDiam = irisDiam/3;
+float eye_y = head_y+headHeight/2-eyeHeight/2;
+// left
+float leftEye_x = head_x+eyeWidth;
+float leftIris_x = leftEye_x + eyeWidth/2-irisDiam/2;
+float leftPupil_x = leftEye_x + eyeWidth/2-pupilDiam/2;
+// right
+float rightEye_x = head_x+eyeWidth*3;
+float rightIris_x = rightEye_x + eyeWidth/2-irisDiam/2;
+float rightPupil_x = rightEye_x + eyeWidth/2-pupilDiam/2;
+
+//EYEBROWS
+float eyeBrowWidth = eyeWidth*1.25;
+float eyeBrowHeight = eyeHeight/4;
+float eyeBrow_y = eye_y - eyeHeight - eyeBrowHeight/2;
+// left
+float leftEyeBrow_x = leftEye_x - (eyeBrowWidth-eyeWidth);
+// right
+float rightEyeBrow_x = rightEye_x;
+
+// NOSE
+float nose_x = head_x+eyeWidth*2;
+float nose_y = head_y + headHeight - headHeight/4;
+
+// MOUTH
+float mouthWidth = eyeWidth*1.5;
+float mouthHeight = headHeight/12;
+float mouth_x = leftIris_x+irisDiam/2+eyeWidth/4;
+float mouth_y = nose_y + mouthHeight;
+
+// EARS
+float earWidth = eyeHeight*1.5;
+float earHeight = headHeight/4;
+float ear_y = eyeBrow_y;
+// left
+float leftEar_x = head_x-earWidth/2;
+// right
+float rightEar_x = head_x+headWidth-earWidth/2;
+
+// BEGIN DRAWING
+// Draw head
+ellipse(head_x, head_y, headWidth, headHeight); 
+// left eye
+ellipse(leftEye_x, eye_y, eyeWidth, eyeHeight);
+// Draw left iris
+ellipse(leftIris_x, eye_y, irisDiam, irisDiam);
+// Draw left pupil
+ellipse(leftPupil_x, eye_y+eyeHeight/2-pupilDiam/2, pupilDiam, pupilDiam);
+// Draw right eye
+ellipse(rightEye_x, eye_y, eyeWidth, eyeHeight); 
+// Draw right iris
+ellipse(rightIris_x, eye_y, irisDiam, irisDiam);
+// Draw right pupil
+ellipse(rightPupil_x, eye_y+eyeHeight/2-pupilDiam/2, pupilDiam, pupilDiam);
+// Draw left eyebrow
+rect(leftEyeBrow_x, eyeBrow_y, eyeBrowWidth, eyeBrowHeight);
+// Draw right eyebrow
+rect(rightEyeBrow_x, eyeBrow_y, eyeBrowWidth, eyeBrowHeight);
+// Draw nose
+triangle(nose_x, nose_y, nose_x+eyeWidth, nose_y, nose_x + eyeWidth/2, nose_y-eyeWidth);
+// Draw Mouth - top lip
+arc(mouth_x, mouth_y-mouthHeight/2, mouthWidth, mouthHeight, PI, TWO_PI);
+// Draw Mouth - bottom lip
+arc(mouth_x, mouth_y-mouthHeight/2, mouthWidth, mouthHeight, 0, PI);
+// Draw Mouth – crease
+line(mouth_x, mouth_y, mouth_x+mouthWidth, mouth_y);
+// Draw left ear
+arc(leftEar_x, ear_y, earWidth, earHeight, PI/2.3, PI*1.55);
+// Draw right ear
+arc(rightEar_x, ear_y, earWidth, earHeight, -PI/1.8, PI/1.8);
+

CodeToAccompany9781430244646/ch02/arcs_example/arcs_example.pde

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+/*------------------------------------------------------------
+Copyright (c) 2013, friends of Ed (An Apress Company)
+All rights reserved.
+
+The code provided here accompanies the book:
+
+Processing: Creative Coding and Generative Art in Processing 2
+By Ira Greenberg, Dianna Xu, and Deepak Kumar
+friends of Ed (An APress Company), 2013
+ISBN-13 978-1430244646
+Please refer to the associated README for a full disclaimer.
+------------------------------------------------------------*/
+// arcs_example.pde, chapter 2
+// Creates a page of randomized arcs.
+
+PFont font;
+
+void setup() {
+  size(1000, 1000);
+  background(255);
+  fill(0);
+  font = createFont("ArialMT-48.vlw", 20);
+  textFont(font, 18);
+  int cols = 4; 
+  int rows = 4;
+
+  float cellW = width/cols;
+  float cellH = height/rows;
+
+
+  for (int i=0; i<rows; i++) {
+    for (int j=0; j<cols; j++) {
+      makeArc(cellW/2+cellW*j, cellH/2+cellH*i, cellW*.5, cellH*.5, random(PI), random(PI, TWO_PI));
+    }
+  }
+}
+
+void makeArc(float x, float y, float w, float h, float t1, float t2) {
+  arc(x, y, w, h, t1, t2);
+  text("start = " + int(degrees(t1)) + " degs", x-w/2, y+h*.75);
+  text("end = " + int(degrees(t2)) + " degs", x-w/2, y+h*.925);
+}
+

CodeToAccompany9781430244646/ch02/complex_algorithmic_face/complex_algorithmic_face.pde

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+/*------------------------------------------------------------
+Copyright (c) 2013, friends of Ed (An Apress Company)
+All rights reserved.
+
+The code provided here accompanies the book:
+
+Processing: Creative Coding and Generative Art in Processing 2
+By Ira Greenberg, Dianna Xu, and Deepak Kumar
+friends of Ed (An APress Company), 2013
+ISBN-13 978-1430244646
+Please refer to the associated README for a full disclaimer.
+------------------------------------------------------------*/
+// complex_algorithmic_face.pde, chapter 2
+// Complex algorithmic approach to drawing a face using
+// functions and curves.
+
+// BEGIN DECLARE/INITIALIZE HEAD VARIABLES
+float headHeight = 600;
+float headWidth = headHeight*5/7;
+float head_x = (width-headWidth)/2;
+float head_y = (height-headHeight)/2;
+
+void setup() {
+  size(600, 800);
+  background(0);
+  stroke(255);
+  noFill();
+
+  ellipseMode(CORNER); 
+  translate(width/2, height/2);
+  // Draw head
+  head(head_x, head_y, headWidth, headHeight);
+
+}
+

CodeToAccompany9781430244646/ch02/complex_algorithmic_face/ear.pde

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+void ear(float xTop, float yTop, float xBot, float yBot, float xRidge, float yRidge, float w, float h, int whichEar) {
+  curveTightness(-1);
+  pushMatrix();
+
+  if (whichEar == 0) { // left
+    // outer ear
+    beginShape();
+    curveVertex(xTop+10, yTop+85);
+    curveVertex(xTop, yTop);
+    curveVertex(xTop-w/2.3, yTop+35);
+    curveVertex(xBot, yBot);
+    curveVertex(xBot+w, yBot-30);
+    endShape();
+
+    // innner ridge:
+    beginShape();
+    curveVertex(xRidge, yRidge+80);
+    curveVertex(xRidge, yRidge);
+    curveVertex(xTop-w/2.3, yTop+35);
+    curveVertex(xTop-w/2.5, yTop+175);
+    endShape();
+  } 
+  else { // right
+    // outer ear
+    beginShape();
+    curveVertex(xTop+10, yTop+85);
+    curveVertex(xTop, yTop);
+    curveVertex(xTop+w/2.3, yTop+35);
+    curveVertex(xBot, yBot);
+    curveVertex(xBot-w, yBot-30);
+    endShape();
+
+    // innner ridge:
+    beginShape();
+    curveVertex(xRidge, yRidge+80);
+    curveVertex(xRidge, yRidge);
+    curveVertex(xTop+w/2.3, yTop+35);
+    curveVertex(xTop+w/2.5, yTop+175);
+    endShape();
+  }
+
+  popMatrix();
+}
+

CodeToAccompany9781430244646/ch02/complex_algorithmic_face/eye.pde

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+void eye(float x, float y, float w, float h, int which) {
+  float pupilDiam = h*.25;
+
+  ellipseMode(CENTER);
+  curveTightness(-.5);
+  pushMatrix();
+
+
+  if (which == 0) { // left
+    // top
+    beginShape();
+    curveVertex(x+w, y);
+    curveVertex(x, y+h/2);
+    curveVertex(x+w/2, y);
+    curveVertex(x+w, y+h/1.25);
+    curveVertex(x+w, y+h/1.25);
+    endShape();
+
+    // bottom
+    beginShape();
+    curveVertex(x+w, y+h/1.25);
+    curveVertex(x+w, y+h/1.25);
+    curveVertex(x+w/2, y+h);
+    curveVertex(x, y+h/2);
+    curveVertex(x, y+h/2);
+    //ellipse(x, y, 2, 2);
+    endShape();
+
+    // iris
+    ellipse((x+w/2), (y+h/2), h, h);
+    // pupil
+    ellipse((x+w/2), (y+h/2), pupilDiam, pupilDiam);
+  } 
+  else { // right
+    // top
+    beginShape();
+    curveVertex(x, y);
+    curveVertex(x+w, y+h/2);
+    curveVertex(x+w/2, y);
+    curveVertex(x, y+h/1.25);
+    curveVertex(x, y+h/1.25);
+    endShape();
+
+    // bottom
+    beginShape();
+    curveVertex(x+w, y+h/2);
+    curveVertex(x+w, y+h/2);
+    curveVertex(x+w/2, y+h);
+    curveVertex(x, y+h/1.25);
+    curveVertex(x, y+h/1.25);
+    endShape();
+
+    // iris
+    ellipse((x+w/2), (y+h/2), h, h);
+    // pupil
+    ellipse((x+w/2), (y+h/2), pupilDiam, pupilDiam);
+  }
+
+  popMatrix();
+  ellipseMode(CORNER);
+}
+