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shape-factory.js
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shape-factory.js
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class ShapeFactory {
size = 0.2;
createI(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, -2 * this.size);
let cube2 = this.createCube(color, -this.size);
let cube3 = this.createCube(color, 0);
let cube4 = this.createCube(color, this.size);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createL(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, -this.size, -this.size);
let cube2 = this.createCube(color, 0, -this.size);
let cube3 = this.createCube(color, this.size, -this.size);
let cube4 = this.createCube(color, this.size, 0);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createT(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, -this.size, -this.size);
let cube2 = this.createCube(color, 0, -this.size);
let cube3 = this.createCube(color, 0, 0);
let cube4 = this.createCube(color, this.size, -this.size);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createO(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, -this.size, -this.size);
let cube2 = this.createCube(color, 0, -this.size);
let cube3 = this.createCube(color, -this.size, 0);
let cube4 = this.createCube(color, 0, 0);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createTripod(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, -this.size, -this.size, -this.size);
let cube2 = this.createCube(color, 0, -this.size, -this.size);
let cube3 = this.createCube(color, -this.size, 0, -this.size);
let cube4 = this.createCube(color, -this.size, -this.size, 0);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createN(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, -this.size, -this.size);
let cube2 = this.createCube(color, 0, -this.size);
let cube3 = this.createCube(color, 0, 0);
let cube4 = this.createCube(color, this.size, 0);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createTowerRight(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, 0, -this.size, -this.size);
let cube2 = this.createCube(color, 0, 0, -this.size);
let cube3 = this.createCube(color, 0, -this.size, 0);
let cube4 = this.createCube(color, -this.size, -this.size, 0);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createTowerLeft(color = [0.8, 1.0, 0.1]) {
let cube1 = this.createCube(color, 0, -this.size, -this.size);
let cube2 = this.createCube(color, 0, 0, -this.size);
let cube3 = this.createCube(color, 0, -this.size, 0);
let cube4 = this.createCube(color, this.size, -this.size, 0);
return new TetraCube([cube1, cube2, cube3, cube4]);
}
createCube(color, xOffset = 0, yOffset = 0, zOffset = 0) {
// define vertex positions & colors
const vertices = [
// Front face
xOffset, yOffset, zOffset,
xOffset + this.size, yOffset, zOffset,
xOffset + this.size, yOffset + this.size, zOffset,
xOffset, yOffset, zOffset,
xOffset + this.size, yOffset + this.size, zOffset,
xOffset, yOffset + this.size, zOffset,
// Back face
xOffset, yOffset, zOffset - this.size,
xOffset, yOffset + this.size, zOffset - this.size,
xOffset + this.size, yOffset + this.size, zOffset - this.size,
xOffset, yOffset, zOffset - this.size,
xOffset + this.size, yOffset + this.size, zOffset - this.size,
xOffset + this.size, yOffset, zOffset - this.size,
// Top face
xOffset, yOffset + this.size, zOffset - this.size,
xOffset, yOffset + this.size, zOffset,
xOffset + this.size, yOffset + this.size, zOffset,
xOffset, yOffset + this.size, zOffset - this.size,
xOffset + this.size, yOffset + this.size, zOffset,
xOffset + this.size, yOffset + this.size, zOffset - this.size,
// Bottom face
xOffset, yOffset, zOffset - this.size,
xOffset + this.size, yOffset, zOffset - this.size,
xOffset + this.size, yOffset, zOffset,
xOffset, yOffset, zOffset - this.size,
xOffset + this.size, yOffset, zOffset,
xOffset, yOffset, zOffset,
// Right face
xOffset + this.size, yOffset, zOffset - this.size,
xOffset + this.size, yOffset + this.size, zOffset - this.size,
xOffset + this.size, yOffset + this.size, zOffset,
xOffset + this.size, yOffset, zOffset - this.size,
xOffset + this.size, yOffset + this.size, zOffset,
xOffset + this.size, yOffset, zOffset,
// Left face
xOffset, yOffset, zOffset - this.size,
xOffset, yOffset, zOffset,
xOffset, yOffset + this.size, zOffset,
xOffset, yOffset, zOffset - this.size,
xOffset, yOffset + this.size, zOffset,
xOffset, yOffset + this.size, zOffset - this.size,
];
const colorData = [
color, // Front face: pink
color, // left face: red
color, // back face: green
color, // Bottom face: blue
color, // Right face: yellow
color, // top face: purple
];
const colors = [];
const normalData = [
[0, 0, 1], // front
[-1, 0, 0], // left
[0, 0, -1], // back
[0, -1, 0], // bottom
[1, 0, 0], // right
[0, 1, 0], // top
];
// add one color and normal per vertex
const normals = [];
for (let i = 0; i < 6; ++i) {
for (let j = 0; j < 6; ++j) {
normals.push(normalData[i]);
colors.push(colorData[i]);
}
}
// create shape object and initialize data
const cube = new Shape();
cube.initData(vertices, colors, normals)
//cube.translate([this.size, this.size, this.size]);
return cube;
}
createXLine(color) {
var vertices = [
0, 0.0, 0.0,
0.3, 0.0, 0.0
];
var colors = [
color,
color
];
const line = new Shape(gl.LINES);
line.initData(vertices, colors, [0, 0, 0])
return line;
}
createYLine(color) {
var vertices = [
0, 0.0, 0.0,
0, 0.3, 0.0
];
var colors = [
color,
color
];
const line = new Shape(gl.LINES);
line.initData(vertices, colors, [0, 0, 0])
return line;
}
createZLine(color) {
var vertices = [
0, 0.0, 0.0,
0, 0.0, 0.3
];
var colors = [
color,
color
];
const line = new Shape(gl.LINES);
line.initData(vertices, colors, [0, 0, 0])
return line;
}
}