function getBoxes(floor) {
let xOffset, yOffset;
let xEdge, yEdge;
if (floor === 1) {
xOffset = heatConfig.graph.x10 * background1.width;
let xEnd = heatConfig.graph.x11 * background1.width;
xEdge = (xEnd - xOffset) / heatConfig.graph.y_len;
yOffset = heatConfig.graph.y10 * background1.height;
let yEnd = heatConfig.graph.y11 * background1.height;
yEdge = (yEnd - yOffset) / heatConfig.graph.x_len;
}
else {
xOffset = heatConfig.graph.x20 * background2.width;
let xEnd = heatConfig.graph.x21 * background2.width;
xEdge = (xEnd - xOffset) / heatConfig.graph.y_len;
yOffset = heatConfig.graph.y20 * background2.height;
let yEnd = heatConfig.graph.y21 * background2.height;
yEdge = (yEnd - yOffset) / heatConfig.graph.x_len;
}
var ret = []
for (let j = 0; j < heatConfig.graph.x_len; j++) {
for (let i = 0; i < heatConfig.graph.y_len; i++) {
ret.push([xOffset + i * xEdge, yOffset + j * yEdge, xOffset + (i + 1) * xEdge, yOffset + (j + 1) * yEdge]);
}
}
return ret;
}