day 30

README.md

@@ -5,6 +5,14 @@
 Hi! I'm [Alexandre Villares](https://abav.lugaralgum.com), let's see if I can make one small program (*sketch*) a day. I'm working with [Processing Java Mode](https://processing.org), [Processing Python Mode](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN), [P5JS (JavaScript)](p5js.org) and sometimes other stuff.
 
 If you enjoy this, make a small donation [here](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=HCGAKACDMVNV2) or with [Patreon](https://patreon.com/arteprog)
+
+----
+
+![30c](sketch_180130c/sketch_180130c.png)
+
+030: [sketch_180130c](https://github.com/villares/sketch-a-day/tree/master/sketch_180130c)  [[Py.Processing](https://villares.github.io/como-instalar-o-processing-modo-python/index-EN)]
+Like 29 but with 3D and PeasyCam orbit...
+
 ----
 
 ![29c](sketch_180129c/sketch_180129c.gif)

sketch_180130c/sketch.properties

@@ -0,0 +1,2 @@
+mode=Python
+mode.id=jycessing.mode.PythonMode

sketch_180130c/sketch_180130c.pyde

@@ -0,0 +1,58 @@
+
+"""
+s18030c - Alexandre B A Villares
+https://abav.lugaralgum.com/sketch-a-day
+
+Drag the mouse over the canvas to draw
+the 'brush' varies with mouse speed.
+"""
+add_library('peasycam')
+LIST, speed = [], [0, 0]
+SAVE_FRAME, FRAME_COUNT = False, 0
+
+def setup():
+    global cam
+    cam = PeasyCam(this, 400)
+    cam.setLeftDragHandler(None)      # nenhum Handler para o botão da esquerda
+    orbitDH = cam.getRotateDragHandler()  # pega o RotateDragHandler
+    cam.setRightDragHandler(orbitDH) # joga para o botão da direita
+    size(500, 500, P3D)
+    colorMode(HSB)
+    noFill()
+
+def draw():
+    global SAVE_FRAME, FRAME_COUNT
+    background(100)
+    for i, (w, x, y, px, py) in enumerate(LIST):
+        c = map(w, 0, 10, 0, 255)  # maps 1 to 10 to 0 to 255 scale
+        stroke((c + frameCount) % 255, 255, 255)  # circle colors
+        # strokeWeight(abs(w)/2)
+        with pushMatrix():
+            translate(0, 0, (i  - len(LIST))*2)
+            ellipse(x - width/2, y - height/2, w ** 2, w ** 2)
+
+    x, y, px, py = mouseX, mouseY, pmouseX , pmouseY
+    # squareroot of dist to previous mouse pos
+    speed[0] = (dist(x, y, px, py)) ** 0.5
+    # mean of 10 minus speed & previous
+    w = ((10 - speed[0]) + (10 - speed[1])) / 2
+    speed[1] = speed[0]  # updates previous speed
+
+    if mousePressed and mouseButton == LEFT:
+        cam.reset()
+        LIST.append((w, x, y, px, py))
+        
+    if SAVE_FRAME and FRAME_COUNT < 256:
+        saveFrame("####.tga")
+        FRAME_COUNT += 1
+    elif SAVE_FRAME:
+        SAVE_FRAME = False
+        print "Recording finished."
+
+def keyPressed():
+    global SAVE_FRAME, FRAME_COUNT
+    if key == ' ':
+        LIST[:] = []
+    if key == 's' and not SAVE_FRAME:
+        SAVE_FRAME, FRAME_COUNT = True, 0
+        print "Recording started."