day 27

sketch_180127c/sketch.properties

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+mode=Python
+mode.id=jycessing.mode.PythonMode

sketch_180127c/sketch_180127c.pyde

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+"""
+s18027c - 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.
+"""
+
+speed = [0, 0]
+LIST = []
+
+def setup():
+    size(500, 500)
+    colorMode(HSB)
+
+def draw():
+    background(0)
+    for w, x, y, px, py in 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))
+        line(x, y, px, py)
+            
+    x, y, px, py = mouseX, mouseY, pmouseX, pmouseY
+    speed[0] = (dist(x, y, px, py))**0.5 # squareroot of dist to previous mouse pos
+    w = ((10 - speed[0]) + (10 - speed[1]))/2 # mean of 10 minus speed & previous
+    if mousePressed:
+        LIST.append((w, x, y, px, py))
+    speed[1] = speed[0] # updates previous speed
+
+def keyPressed():
+    LIST[:] = []