drawingApp

import wblut.hemesh.*;
import wblut.processing.*;
import wblut.geom.*;
import java.util.*;
import peasy.*;

HE_Mesh mesh;
WB_Render render;

PeasyCam cam;
List<WB_Segment> contour = new ArrayList<WB_Segment>();
WB_Plane pln = new WB_Plane(0, 0, 0, 0, 0, 1);

void setup() {
  size(500, 900, P3D);
  //cam = new PeasyCam(this, 500);
  render = new WB_Render(this);
  ortho();
  createMesh();
  pln = new WB_Plane(0, 0, plnZ, 0, 0, 1);
}

void draw() {
  background(0);
  contour = HET_Contours.contours(mesh, pln);
  stroke(255);
  strokeWeight(10);
  strokeJoin(ROUND);
  strokeCap(ROUND);
  render.drawSegment(contour);
  //noStroke();
  //render.drawFaces(mesh);
  //strokeWeight(1);
  //stroke(0);
  //render.drawEdges(mesh);
}

void createMesh() {
  HEC_Creator creator = new HEC_FromOBJFile("C:/Users/it/Desktop/vanaVenturi.obj");
  mesh = new HE_Mesh(creator);
  mesh.scaleSelf(0.7);
  mesh.moveToSelf(meshLoc);
}

float plnZ = -20;

void keyPressed() {
  if (key == 'w') {
    plnZ--;
    pln = new WB_Plane(0, 0, plnZ, 0, 0, 1);
  }
  if (key == 's') {
    plnZ++;
    pln = new WB_Plane(0, 0, plnZ, 0, 0, 1);
  }
  if (key == 'a') {
    mesh.scaleSelf(1.1);
  }
  if (key == 'd') {
    mesh.scaleSelf(0.9);
  }
}

WB_Vector meshLoc = new WB_Vector(width/2, height/2, 0);
void mouseDragged() {
  if (mouseButton == RIGHT) {
    WB_Vector mouse = new WB_Vector(mouseX-width/2, mouseY-height/2, 0);
    WB_Vector pmouse = new WB_Vector(pmouseX-width/2, pmouseY-height/2, 0);
    WB_Vector diff = WB_Vector.sub(mouse, pmouse);
    meshLoc.addSelf(diff);
    mesh.moveToSelf(meshLoc);
  }
  if (mouseButton == LEFT) {
    WB_Vector mouse = new WB_Vector(mouseX-width/2, mouseY-height/2, 0);
    WB_Vector pmouse = new WB_Vector(pmouseX-width/2, pmouseY-height/2, 0);
    WB_Vector diff = WB_Vector.sub(mouse, pmouse);
    mesh.rotateAboutCenterSelf(diff.getLength()*0.001, diff);
  }
}