Modify a text file: $/2203-moving.pde

$/2203-moving.pde

//// CST112 - BAM -  hero moves diagonally; jump to mouse position when clicked.

float bamW=30, bamH=40, bamR=10;  // Size of creature;
float bamM=1.0;
float bamX=0, bamY=0;    // Position of creature.
float bamDX=2, bamDY=1;  // Speed  (diagonally).

int sunX,sunY,sunR;

void setup() 
{
  size(640,480);
  reset();
}
void reset()        // Reinitialize all values //
{
  bamW=30; bamH=40; bamR=10;  // Size of creature;
  bamM=1.0;
  bamX=0; bamY=0;    // Position of creature.
  bamDX=2; bamDY=1;  // Speed  (diagonally).
  sunX=  width-100;
  sunY=  50;
  sunR=  50;
}

void draw()  //// Move and draw hero (and scene).
{
  drawScene();
  moveHero();
  drawHero();
}

void drawScene() { 
  background(200,220,255); 
  int nextline=1;
  text( "Click to reposition.", 10, 12*nextline++);
  text( "Change speed with keys:  X, x, Y, y.", 10, 12*nextline++);
  text( "Change size with with keys:  +, -, M, m.", 10, 12*nextline++);
  text( "Reset key:  r.", 10, 12*nextline++);
  ////  Sun.
  fill(255,255,0);
  noStroke();
  ellipse( sunX,sunY, sunR,sunR );
  //// Grass at bottom;
  noStroke();
  fill(100,255,100);
  rect(0,height/4, width,height);  
}

void drawHero() //// Draw him
{
  strokeWeight(0);
  fill(255,0,255);                // Purple head.
  ellipseMode(RADIUS);
  ellipse( bamX+bamW/2, bamY-bamR, bamR, bamR);
  fill(255,0,0);                // Red shirt
  rectMode(CORNER);
  rect( bamX, bamY, bamW,bamH );
  stroke( 0, 0, 255 );            // Blue legs );
  strokeWeight(6);
  float legY;
  legY=  bamY+bamH;          // Top of legs.
  line( bamX+2, legY,     bamX-random(15), legY+30 );
  line( bamX+bamW-2, legY,   bamX+bamW+random(15), legY+30 );
  strokeWeight(4);
  float armY;
  armY=  bamY+5;          // Top of arms.
  line( bamX, armY,     bamX-random(10), armY+25 );
  line( bamX+bamW, armY,   bamX+bamW+random(10), armY+25 );
  strokeWeight(0);
}

void moveHero() ////
{
  bamX=  (bamX + bamDX)  %  width;
  bamY=  (bamY + bamDY)  %  height;
  text( "bamY:  "+bamY, 10, height-20);
}

void mousePressed() //// Jump here, when click
{
  bamX=  mouseX;
  bamY=  mouseY;
}

void keyPressed()  //// Which key was pressed?
{
  if (key == 'X')  bamDX=  bamDX + 1;    // Faster in DX.
  if (key == 'x')  bamDX=  bamDX - 1;    // Slower in DX.
  if (key == 'Y')  bamDY=  bamDY + 1;    // Faster in DY.
  if (key == 'y')  bamDY=  bamDY - 1;    // Slower in DY.

if (key == '+')  bamH=  bamH * 1.25;    // Make 25% taller
  if (key == '-')  bamH=  bamH * 0.75;    // Make 25% smaller

if (key == 'H')  bamR++;                // Head bigger/smaller
  if (key == 'h')  bamR--;
  
  if (key=='r') reset();
}