// Delete the wall that was clicked on from the walls ArrayList
// Return true if a wall or door was deleted so that the geometry model will be updated
public boolean delete(float x, float y) {
WallModel wall = isOnWall(x, y);
if (wall != null) {
DoorModel door = isOnDoor(wall, x - wall.getStartPositionX(), y - wall.getStartPositionY());
if (door != null) {
// If a door was clicked remove that door instead of the wall
wall.getDoors().remove(door);
} else {
getWalls().remove(wall);
}
return true;
}
RoofModel roof = isOnRoof(x, y);
if (roof != null) {
// Remove roof from ArrayList
getRoofs().remove(roof);
return true;
}
return false;
}
// Methods **********************************
// Add wall to blueprints
public void addWall(float x, float y) {
WallModel wall = isOnWall(x, y);
// If there is no wall located where the mouse was pressed create a wall at that point
if (wall == null) {
currentWall = new WallModel(x, y, externalWallThickness);
} else { // else adjust the starting positions and dimensions of the wall slightly to fit with
// the the wall that was clicked on
// Create two variables for the new starting X and Y values, which by default are equal to the
// coordinates the user pressed in the JPanel
float adjustedX = x;
float adjustedY = y;
// Check if the wall that was clicked on is a horizontal wall
if (wall.getWidth() > wall.getHeight()) {
// Set the walls starting Y position equal to the horizontal walls starting Y position
adjustedY = wall.getStartPositionY() + (externalWallThickness / 2);
// If the wall is near the bounds of the vertical wall, adjust the walls X position so that
// it fits within the horizontal walls bounds
if (adjustedX < wall.getStartPositionX() + externalWallThickness) {
adjustedX = wall.getStartPositionX() + (externalWallThickness / 2);
} else if (adjustedX > wall.getStartPositionX() + wall.getWidth() - externalWallThickness) {
adjustedX = wall.getStartPositionX() + wall.getWidth() - (externalWallThickness / 2);
}
} else { // do the same if it's a vertical wall except swap X and Y values and width and
// height values
adjustedX = wall.getStartPositionX() + (externalWallThickness / 2);
if (adjustedY < wall.getStartPositionY() + externalWallThickness) {
adjustedY = wall.getStartPositionY() + (externalWallThickness / 2);
} else if (adjustedY
> wall.getStartPositionY() + wall.getHeight() - externalWallThickness) {
adjustedY = wall.getStartPositionY() + wall.getHeight() - (externalWallThickness / 2);
}
}
// Create a new wall
currentWall = new WallModel(adjustedX, adjustedY, externalWallThickness);
}
setTempWall();
// add the new wall to the list of walls
getWalls().add(currentWall);
}
public void setTempWall() {
tempWall =
new WallModel(
currentWall.getStartPositionX(),
currentWall.getStartPositionY(),
currentWall.getWidth(),
currentWall.getHeight());
}
// Similar to the completeWall() method above except resizes wall instead
public boolean completeRoof(float x, float y) {
WallModel wall = isOnWall(x, y);
if (currentRoof != null && tempRoof != null) {
// Check if the mouse was on a wall when released
if (wall != null) {
// Check if the user drew a horizontal roof and mouse was released on a horizontal wall
if (wall.getWidth() < wall.getHeight() && currentRoof.getOrientation() == 'h') {
if (x > tempRoof.getStartPositionX()) {
currentRoof.setWidth(
(wall.getStartPositionX() + wall.getWidth() + currentRoof.getOverhang())
- currentRoof.getStartPositionX());
} else {
float difference = currentRoof.getStartPositionX();
currentRoof.setStartPositionX(wall.getStartPositionX() - currentRoof.getOverhang());
difference -= currentRoof.getStartPositionX();
currentRoof.setWidth(currentRoof.getWidth() + difference);
}
} else { // else if the the user drew a vertical wall and released it on a horizontal wall
// adjust the starting Y position and height
if (y > tempRoof.getStartPositionY()) {
currentRoof.setBreath(
(wall.getStartPositionY() + wall.getHeight() + currentRoof.getOverhang())
- currentRoof.getStartPositionY());
} else {
float difference = currentRoof.getStartPositionY();
currentRoof.setStartPositionY(wall.getStartPositionY() - currentRoof.getOverhang());
difference -= currentRoof.getStartPositionY();
currentRoof.setBreath(currentRoof.getBreath() + difference);
}
}
currentRoof = null;
tempRoof = null;
// return true so that the geometry model can be updated in the WireFrameDisplay class
return true;
}
}
currentRoof = null;
tempRoof = null;
return false;
}
// Manipulate the width and height of the wall
public void drawWall(float px, float py, float cx, float cy) {
float halfThickness = externalWallThickness / 2f;
float startX, startY, width, height;
startX = startY = width = height = 0;
float x = cx - px;
float y = cy - py;
if (currentWall != null) {
// This if else structure determines which direction the wall will extrude based on the mouse
// position
if (x > Math.abs(y) && x > 0) {
// Adjust Width (Right)
currentWall.setStartPositionY(tempWall.getStartPositionY());
width = (cx - px + halfThickness);
height = externalWallThickness;
} else if (y < x && y < 0) {
// Adjust Starting Y (Up)
currentWall.setStartPositionX(tempWall.getStartPositionX());
startY = (tempWall.getStartPositionY() - py + cy + halfThickness);
currentWall.setStartPositionY(startY);
height = (halfThickness + py - cy);
width = externalWallThickness;
} else if (y > Math.abs(x) && y > 0) {
// Adjust Height (Down)
currentWall.setStartPositionX(tempWall.getStartPositionX());
height = (cy - py + halfThickness);
width = externalWallThickness;
} else {
// Adjust Starting X (Left)
currentWall.setStartPositionY(tempWall.getStartPositionY());
startX = (tempWall.getStartPositionX() - px + cx + halfThickness);
currentWall.setStartPositionX(startX);
width = (halfThickness + px - cx);
height = externalWallThickness;
}
currentWall.setWidth(width);
currentWall.setHeight(height);
}
}
// loop though all the walls to check a wall was clicked
WallModel isOnWall(float x, float y) {
// Temporary wall variable used in for loop
WallModel wall;
// Loop through each wall in the walls ArrayList
for (int i = 0; i < getWalls().size(); ++i) {
// Aliasing
wall = getWalls().get(i);
// Check if point is between the four corners of the wall
if (x > (wall.getStartPositionX())
&& x < (wall.getStartPositionX()) + (wall.getWidth())
&& y > (wall.getStartPositionY())
&& y < (wall.getStartPositionY()) + (wall.getHeight())) {
return wall;
}
}
return null;
}
// Add a door to the wall that was clicked on and return true
// If there is no door return false
public boolean addDoor(float x, float y) {
WallModel wall = isOnWall(x, y);
if (wall != null) {
// Get position of the door on the wall
float position;
if (wall.getWidth() > wall.getHeight()) {
position = x - wall.getStartPositionX();
} else {
position = y - wall.getStartPositionY();
}
// Create a new door
DoorModel door = new DoorModel(position);
// Add door to wall
wall.getDoors().add(door);
return true;
}
return false;
}
// Called when the user releases the mouse button after drawing a wall
// If the mouse is on a wall then the wall that was drawn will resize automatically
public boolean completeWall(float x, float y) {
WallModel wall = isOnWall(x, y);
// Check if the mouse was on a wall when released
if (wall != null) {
// If the user drew a horizontal wall and mouse was released on a vertical wall adjust the
// starting X position and width
if (wall.getWidth() > wall.getHeight() && currentWall.getHeight() > currentWall.getWidth()) {
if (wall.getStartPositionX() <= currentWall.getStartPositionX()
&& wall.getStartPositionX() + wall.getWidth()
> currentWall.getStartPositionX() + currentWall.getWidth()) {
if (wall.getStartPositionY() > currentWall.getStartPositionY()) {
currentWall.setHeight(
wall.getStartPositionY() + wall.getHeight() - currentWall.getStartPositionY());
} else {
currentWall.setHeight(
(currentWall.getStartPositionY() + currentWall.getHeight())
- wall.getStartPositionY());
currentWall.setStartPositionY(wall.getStartPositionY());
}
}
} else { // else if the the user drew a vertical wall and released it on a horizontal wall
// adjust the starting Y position and height
if (wall.getStartPositionY() <= currentWall.getStartPositionY()
&& wall.getStartPositionY() + wall.getHeight()
> currentWall.getStartPositionY() + currentWall.getHeight()) {
if (wall.getStartPositionX() > currentWall.getStartPositionX()) {
currentWall.setWidth(
wall.getStartPositionX() + wall.getWidth() - currentWall.getStartPositionX());
} else {
currentWall.setWidth(
(currentWall.getStartPositionX() + currentWall.getWidth())
- wall.getStartPositionX());
currentWall.setStartPositionX(wall.getStartPositionX());
}
}
}
// return true so that the geometry model can be updated in the WireFrameDisplay class
return true;
}
currentWall = null;
tempWall = null;
return false;
}