Project-04 Sunrise

sketch

//Thomas Wrabetz
//Section C
//twrabetz@andrew.cmu.edu
//Project-04


function setup() {
    createCanvas(400, 300);
    background(220);
}
 
function draw() 
{
    strokeWeight(1);
    //Sun
    //Drawn between points along a half circle in the middle of the canvas.
    //i is an angle measure going from 0 to 90 degrees.
    stroke(200,200,50);
    for(var i = 0; i < 90; i += 5 )
    {
        line( width / 2 + 50 * cos(radians(i)), 
              height / 2 - 50 * sin(radians(i)),
              width / 2 - 50 * cos(radians(i)),
              height/2 - 50 * sin(radians(i)));
    }
 
    //Sun rays
    //Drawn along the same angles between 2 circles, 1 radius 50
    //(the edge of the sun), the other with radius 250
    stroke(221,85,119);
    for( var i = 0; i <= 180; i += 5 )
    {
        line( width / 2 + 50 * cos(radians(i)),
              height / 2 - 50 * sin(radians(i)),
              width / 2 + 250 * cos(radians(i)),
              height / 2 - 250 * sin(radians(i)));
    }

    //Sea
    //The sea is just sketched in with diagonal lines spaced out linearly
    stroke(25, 25, 150)
    for( var i = -20; i < 600; i += 10 )
    {
        line( 0, height / 2 + i, i, height / 2 );
    }

    strokeWeight( 2 );
    //Sun's reflection on the water
    //horizontal lines following a sinusoidal pattern
    stroke( 200, 200, 50 );
    for( var i = 0; i < 150; i += 5 )
    {
        line( width / 2 - 35 - i / 3 - 4 * sin(radians(i * 12)), height / 2 + i,
              width / 2 + 35 + i / 3 + 4 * sin(radians(i * 12)), height / 2 + i );
    }
} 

It’s a sunrise

I used a lot of circles; the sun’s reflection on the water uses a sinusoidal pattern.