blue book examples

java/examples/Books/Processing Handbook/Synthesis/_03_grids/_01_grids/_01_grids.pde

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+/** 
+ * Synthesis 1: Form and Code
+ * Wilson Grids by Casey Reas (www.processing.org)
+ * p. 152
+ * 
+ * Step 1, basic embedded for structure. 
+*/
+
+
+size(600, 600);
+background(255);
+int sqNum = 12;
+int sqSize = width/sqNum;
+int halfSize = sqSize/2;
+
+for (int y = halfSize; y < width; y = y+sqSize) {
+  for (int x = halfSize; x < height; x = x+sqSize) {
+    rect(x-halfSize+2, y-halfSize+2, sqSize-4, sqSize-4);
+  } 
+}

java/examples/Books/Processing Handbook/Synthesis/_03_grids/_02_grids/_02_grids.pde

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+/** 
+ * Synthesis 1: Form and Code
+ * Wilson Grids by Casey Reas (www.processing.org)
+ * p. 152
+ * 
+ * Step 2, textures inside the grid by adding a third for structure. 
+*/
+
+
+size(600, 600);
+background(255);
+int numSquares = 12;
+int gap = 4;
+int sqSize = (width-gap*2)/numSquares;
+int halfSize = sqSize/2;
+int offset = halfSize+gap;
+int ydiv = sqSize/12;
+
+for(int y = 0; y < numSquares; y++) {
+  for(int x = 0; x < numSquares; x++) {
+    float xp = offset + (x*sqSize);
+    float yp = offset + (y*sqSize);
+    for(int i=0; i<=sqSize-gap*2; i=i+ydiv) {
+      float yy = i*halfSize+gap+i;
+      line(xp-halfSize+gap, yp-halfSize+gap+i, xp+halfSize-gap, yp-halfSize+gap+i);
+    }
+  } 
+  
+}
+

java/examples/Books/Processing Handbook/Synthesis/_03_grids/_03_grids/_03_grids.pde

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+/** 
+ * Synthesis 1: Form and Code
+ * Wilson Grids by Casey Reas (www.processing.org)
+ * p. 152
+ * 
+ * Step 3, changing the size of each grid element. 
+*/
+
+
+size(600, 600);
+background(0);
+stroke(255, 204);
+int numSquares = 6;
+int gap = 8;
+int sqSize = (width-gap*2)/numSquares;
+
+for (float y=0; y<numSquares; y=y+1) {
+  for (float x=0; x<numSquares; x=x+1) {
+    int sqArea = int(random(10, 100));
+    int halfArea = sqArea/2;
+    int ydiv = sqArea/12;
+    float offset = sqSize/2+gap;
+    float xp = offset + (x*sqSize);
+    float yp = offset + (y*sqSize);
+    for (int i = 0; i <= sqArea-gap*2; i = i+ydiv) {
+      float yy = i*halfArea+gap+i;
+      line(xp-halfArea+gap, yp-halfArea+gap+i, xp+halfArea-gap, yp-halfArea+gap+i);
+    }
+  } 
+}

java/examples/Books/Processing Handbook/Synthesis/_03_grids/_04_grids/_04_grids.pde

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+/** 
+ * Synthesis 1: Form and Code
+ * Wilson Grids by Casey Reas (www.processing.org)
+ * p. 152
+ * 
+ * Step 4. 
+*/
+
+size(600, 600);
+background(0);
+stroke(255, 204);
+float numSquares = 6.0;
+int gap = 8;
+float xUnit = (width-gap*2)/numSquares;
+float yUnit = (height-gap*2)/numSquares;
+float squareWidth = xUnit;
+int squareHeight = int(yUnit);
+
+for(float y=0; y<numSquares; y=y+1) {
+  for(float x=0; x<numSquares; x=x+1) {
+    squareWidth = int(random(10, 300));
+    squareHeight = int(squareWidth);
+    //squareHeight = int(random(10, 100));
+    int ydiv = squareHeight/12;
+    float xoff = xUnit/2+gap;
+    float yoff = yUnit/2+gap;
+    float xp = xoff + (x*xUnit);
+    float yp = yoff + (y*yUnit);
+    for(int i=0; i<=squareHeight-gap*2; i=i+ydiv) {
+      float yy = i*squareHeight/2+gap+i;
+      line(xp-squareWidth/2+gap, yp-squareHeight/2+gap+i, xp+squareWidth/2-gap, yp-squareHeight/2+gap+i);
+    }
+  } 
+  
+}
+

java/examples/Books/Processing Handbook/Synthesis/_03_grids/_05_grids/_05_grids.pde

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+/** 
+ * Synthesis 1: Form and Code
+ * Wilson Grids by Casey Reas (www.processing.org)
+ * p. 152
+ * 
+ * Step 5. 
+*/
+
+
+size(600, 600);
+background(0);
+stroke(255, 204);
+float numSquares = 12.0;
+int gap = 4;
+float xUnit = (width-gap*2)/numSquares;
+float yUnit = (height-gap*2)/numSquares;
+float squareWidth = xUnit;
+float squareHeight = yUnit;
+
+for (float y = 0; y < numSquares; y = Y + 1) {
+  for (float x = 0; x < numSquares; x = x+1) {
+    float ydiv = squareHeight/12;
+    float xoff = xUnit/2+gap;
+    float yoff = yUnit/2+gap;
+    float xp = xoff + (x*xUnit);
+    float yp = yoff + (y*yUnit);
+    for(float i=0; i<=squareHeight-gap*2; i=i+ydiv) {
+      float yy = i*squareHeight/2+gap+i;
+      line(xp-squareWidth/2+gap, yp-squareHeight/2+gap+i, xp+squareWidth/2-gap, yp-squareHeight/2+gap+i);
+    }
+    
+    ydiv = random(1.0, squareHeight/4);
+    
+    for(float i=0; i<=squareHeight-gap*2; i=i+ydiv) {
+      float yy = i*squareHeight/2+gap+i;
+      line(xp-squareWidth/2+gap, yp-squareHeight/2+gap+i, xp+squareWidth/2-gap, yp-squareHeight/2+gap+i);
+    }
+  } 
+  
+}
+
+// save("Synthesis-3--3-" + int(random(0, 100)) + ".tif");