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13 Feb 2018

27. What expression can you put in the blank so this program shows a circle falling from the top center to the middle and then moving diagonally towards the lower right corner? int ballx=50, bally=0; void draw() { background (120); ballx = ballx + bally++; ellipse (ballx, bally, 20, 20); A. frameCount%50 B. (1-(bally/50)) c. (1-(frameCount/100)) D. balle/50 E. ballx/50

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Lelia Lubowitz
Lelia LubowitzLv2
16 Feb 2018
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2. Which answer best describes the behavior of this processing sketch? int xPos, yPos; A. A ball moves from the upper left corner, diagonally to the void setup() { lower right corner. size (400, 400); B. A ball moves from the upper left corner, diagonally to the y Pos = 0; center, then stops and stays in the center. xPos = 0; A ball moves from the upper left corner, diagonally to the center, then straight down to the bottom A ball moves from the upper left corner, diagonally to the void draw() { center, then diagonally to the lower left. background (255); E. A ball moves from the upper left corner, straight down the ellipse (xPos, yPos, 5, 5); left side until half-way down then diagonally to the middle of the bottom y Pos = y Pos + 1; xPos - xPos + (1-yPos/(height/2));

6. Which answers apply to this program? Mark ALL that apply. int counter = 0; void draw() { background (255); int xpos = width - (2* counter) fwidth; fill (255,0,0); ellipse (xpos, 25, 5, 5); fill(0,255, 0); ellipse (counterswidth, 75, 5, 5); counter = counter + 1; A. The red circle is moving faster than the green circle. B. Most of the time the red one is moving right to left and the green one left to right. C. Most of the time both are moving from left to right. D. Most of the time both are moving from right to left. E. None of the above apply.

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