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Commit 84d2e639 authored by RIFI Zaynab's avatar RIFI Zaynab
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"use strict"; // good practice - see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode
/*global THREE, scene*/
import * as THREE from 'three';
export let Coordinates = {
drawGrid:function(params) {
params = params || {};
var size = params.size !== undefined ? params.size:100;
var scale = params.scale !== undefined ? params.scale:0.1;
var orientation = params.orientation !== undefined ? params.orientation:"x";
var grid = new THREE.Mesh(
new THREE.PlaneGeometry(size, size, size * scale, size * scale),
new THREE.MeshBasicMaterial({ color: 0x555555, wireframe: true })
);
// Yes, these are poorly labeled! It would be a mess to fix.
// What's really going on here:
// "x" means "rotate 90 degrees around x", etc.
// So "x" really means "show a grid with a normal of Y"
// "y" means "show a grid with a normal of X"
// "z" means (logically enough) "show a grid with a normal of Z"
if (orientation === "x") {
grid.rotation.x = - Math.PI / 2;
} else if (orientation === "y") {
grid.rotation.y = - Math.PI / 2;
} else if (orientation === "z") {
grid.rotation.z = - Math.PI / 2;
}
window.scene.add(grid);
},
drawGround:function(params) {
params = params || {};
var size = params.size !== undefined ? params.size:100;
var color = params.color !== undefined ? params.color:0xFFFFFF;
var ground = new THREE.Mesh(
new THREE.PlaneGeometry(size, size),
// When we use a ground plane we use directional lights, so illuminating
// just the corners is sufficient.
// Use MeshPhongMaterial if you want to capture per-pixel lighting:
// new THREE.MeshPhongMaterial({ color: color, specular: 0x000000,
new THREE.MeshLambertMaterial({ color: color,
// polygonOffset moves the plane back from the eye a bit, so that the lines on top of
// the grid do not have z-fighting with the grid:
// Factor == 1 moves it back relative to the slope (more on-edge means move back farther)
// Units == 4 is a fixed amount to move back, and 4 is usually a good value
polygonOffset: true, polygonOffsetFactor: 1.0, polygonOffsetUnits: 4.0
}));
ground.rotation.x = - Math.PI / 2;
window.scene.add(ground);
},
drawAxes:function(params) {
// x = red, y = green, z = blue (RGB = xyz)
params = params || {};
var axisRadius = params.axisRadius !== undefined ? params.axisRadius:0.04;
var axisLength = params.axisLength !== undefined ? params.axisLength:11;
var axisTess = params.axisTess !== undefined ? params.axisTess:48;
var axisOrientation = params.axisOrientation !== undefined ? params.axisOrientation:"x";
var axisMaterial = new THREE.MeshLambertMaterial({ color: 0x000000, side: THREE.DoubleSide });
var axis = new THREE.Mesh(
new THREE.CylinderGeometry(axisRadius, axisRadius, axisLength, axisTess, 1, true),
axisMaterial
);
if (axisOrientation === "x") {
axis.rotation.z = - Math.PI / 2;
axis.position.x = axisLength/2-1;
} else if (axisOrientation === "y") {
axis.position.y = axisLength/2-1;
}
window.scene.add( axis );
var arrow = new THREE.Mesh(
new THREE.CylinderGeometry(0, 4*axisRadius, 8*axisRadius, axisTess, 1, true),
axisMaterial
);
if (axisOrientation === "x") {
arrow.rotation.z = - Math.PI / 2;
arrow.position.x = axisLength - 1 + axisRadius*4/2;
} else if (axisOrientation === "y") {
arrow.position.y = axisLength - 1 + axisRadius*4/2;
}
window.scene.add( arrow );
},
drawAllAxes:function(params) {
params = params || {};
var axisRadius = params.axisRadius !== undefined ? params.axisRadius:0.04;
var axisLength = params.axisLength !== undefined ? params.axisLength:11;
var axisTess = params.axisTess !== undefined ? params.axisTess:48;
var axisXMaterial = new THREE.MeshLambertMaterial({ color: 0xFF0000 });
var axisYMaterial = new THREE.MeshLambertMaterial({ color: 0x00FF00 });
var axisZMaterial = new THREE.MeshLambertMaterial({ color: 0x0000FF });
axisXMaterial.side = THREE.DoubleSide;
axisYMaterial.side = THREE.DoubleSide;
axisZMaterial.side = THREE.DoubleSide;
var axisX = new THREE.Mesh(
new THREE.CylinderGeometry(axisRadius, axisRadius, axisLength, axisTess, 1, true),
axisXMaterial
);
var axisY = new THREE.Mesh(
new THREE.CylinderGeometry(axisRadius, axisRadius, axisLength, axisTess, 1, true),
axisYMaterial
);
var axisZ = new THREE.Mesh(
new THREE.CylinderGeometry(axisRadius, axisRadius, axisLength, axisTess, 1, true),
axisZMaterial
);
axisX.rotation.z = - Math.PI / 2;
axisX.position.x = axisLength/2-1;
axisY.position.y = axisLength/2-1;
axisZ.rotation.y = - Math.PI / 2;
axisZ.rotation.z = - Math.PI / 2;
axisZ.position.z = axisLength/2-1;
window.scene.add( axisX );
window.scene.add( axisY );
window.scene.add( axisZ );
var arrowX = new THREE.Mesh(
new THREE.CylinderGeometry(0, 4*axisRadius, 4*axisRadius, axisTess, 1, true),
axisXMaterial
);
var arrowY = new THREE.Mesh(
new THREE.CylinderGeometry(0, 4*axisRadius, 4*axisRadius, axisTess, 1, true),
axisYMaterial
);
var arrowZ = new THREE.Mesh(
new THREE.CylinderGeometry(0, 4*axisRadius, 4*axisRadius, axisTess, 1, true),
axisZMaterial
);
arrowX.rotation.z = - Math.PI / 2;
arrowX.position.x = axisLength - 1 + axisRadius*4/2;
arrowY.position.y = axisLength - 1 + axisRadius*4/2;
arrowZ.rotation.z = - Math.PI / 2;
arrowZ.rotation.y = - Math.PI / 2;
arrowZ.position.z = axisLength - 1 + axisRadius*4/2;
window.scene.add( arrowX );
window.scene.add( arrowY );
window.scene.add( arrowZ );
}
};
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