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teinsai

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Creating Shadows

[0 Replies]
- 09-Feb-2011 11:20 PM
- Forum: Programming Questions
I am trying to cast a shadow of the line onto the 2 axes that are shown in the following program code, not sure if its possible.

Also, is it possible that after running the code, to change the position of the line without going back to the source code?

Thanks a million!

void setup ()

{

  size(600, 500, P3D);

  smooth();

  frameRate(30);

}

void draw() {

  //ortho();

  lights();

  background(#D6D6D6);

  camera(400, -400, 400, // eyeX, eyeY, eyeZ

   0, 0, 0.0, // centerX, centerY, centerZ

   0.0, 1.0, 0.0); // upX, upY, upZ

  float dirY = (mouseY / float(height) - 0.5) * 2;

  float dirX = (mouseX / float(width) - 0.5) * 2;

  directionalLight(204, 204, 204, -dirX, -dirY, -1);





  // Draw the axes

  noStroke();

  pushMatrix();

  translate(300/2,0,0);

  box(350, 0, 350);

  popMatrix();

  pushMatrix();

  translate(0,-300/2,0);

  box(0, 350, 350);

  popMatrix();





  // Draw a line

  stroke(#000000);

  strokeWeight(1);

  line(340,-140,240,40,-250,-300);

  noStroke();

  pushMatrix();

  translate(40, -250, -300);

  sphere(5);

  popMatrix();

  pushMatrix();

  translate(340, -140, 240);

  sphere(5);

  popMatrix();

}

Background

[2 Replies]
- 17-Jan-2011 07:59 PM
- Forum: Programming Questions
May i know how to get a grid background, something like a graph paper?
http://processing.org/learning/transform2d/

i want something similar to the grid shown in the webpage.

also is there a place where there is a list of commands that i can view?

I am using processing for my Thesis and it would be of great help if anyone could help out here.

Thanks a million

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