Fundamentals of programming
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Fundamentals of Programming. SM1204 Semester A 2012. Due date 30 Oct Collection via ACS. Assignment 1. Requirements. Create your own drawing brushes (20%) Use of "if-else" or "for" structures (20%) Use of random or noise functions (20%)

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Fundamentals of Programming

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Fundamentals of programming

Fundamentalsof Programming

SM1204 Semester A 2012


Assignment 1

Due date 30 Oct

Collection via ACS

Assignment 1


Requirements

Requirements

  • Create your own drawing brushes (20%)

  • Use of "if-else" or "for" structures (20%)

  • Use of random or noise functions (20%)

    • Apply to positions / colors / sizes of elements you draw

  • With basic user interaction (20%)

    • e.g. mousePressed, mouseX, mouseY

  • Creative graphics (20%)


Example

Example

  • http://mrdoob.com/projects/harmony/


Example circles

Example - Circles

float d = dist(pmouseX, pmouseY, mouseX, mouseY);

noFill();

stroke(255);

for (inti=0; i<5; i++)

{

float s = (d+4)*(i+1);

ellipse(mouseX, mouseY, s, s);

}


Example grids

Example - Grids

fill(0, 10);

noStroke();

rect(0, 0, width, height);

if (mousePressed == true)

{

int r = mouseY / 15;

int c = mouseX / 15;

fill(255);

rect(c*15+1, r*15+1, 14, 14);

}


Useful functions references

Useful Functions & References

  • dist(x1, y1, x2, y2)

    • Calculates the distance between two points

  • mouseX, mouseY

    • the current coordinate of the mouse

  • pmouseX, pmouseY

    • The position of the mouse in the previous frame

  • random(low, high)

    • Generate random numbers (floating-point value) between low and high


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