/**
* Set a background image for the world. If the image size is larger than the world in pixels, it
* is clipped. If it is smaller than the world, it is tiled. A pattern showing the cells can
* easily be shown by setting a background image with a size equal to the cell size.
*
* @see #setBackground(String)
* @param image The image to be shown
*/
public final void setBackground(GreenfootImage image) {
if (image != null) {
int imgWidth = image.getWidth();
int imgHeight = image.getHeight();
int worldWidth = getWidthInPixels();
int worldHeight = getHeightInPixels();
boolean tile = imgWidth < worldWidth || imgHeight < worldHeight;
if (tile) {
backgroundIsClassImage = false;
backgroundImage = new GreenfootImage(worldWidth, worldHeight);
backgroundImage.setColor(DEFAULT_BACKGROUND_COLOR);
backgroundImage.fill();
for (int x = 0; x < worldWidth; x += imgWidth) {
for (int y = 0; y < worldHeight; y += imgHeight) {
backgroundImage.drawImage(image, x, y);
}
}
} else {
// To make it behave exactly the same way as when tiling we
// should make a clone here. But it performs better when not
// cloning.
// Performance will be an issue for people changing the
// background image all the time for animated backgrounds
backgroundImage = image;
}
} else {
backgroundIsClassImage = false;
backgroundImage = null;
}
}
/** Update the image on screen to show the current value. */
private void updateImage() {
GreenfootImage image = new GreenfootImage(background);
GreenfootImage text =
new GreenfootImage(prefix + "Points: " + value, 22, Color.MAGENTA, transparent);
if (text.getWidth() > image.getWidth() - 20) {
image.scale(text.getWidth() + 20, image.getHeight());
}
image.drawImage(
text, (image.getWidth() - text.getWidth()) / 2, (image.getHeight() - text.getHeight()) / 2);
setImage(image);
}
/**
* Change the background colour of this Button
*
* @param background The colour to use
*/
public void update(Color background) {
GreenfootImage tempTextImage =
new GreenfootImage(buttonText, textSize, Color.BLACK, background);
myImage = new GreenfootImage(tempTextImage.getWidth() + 8, tempTextImage.getHeight() + 8);
myImage.setColor(Color.BLACK);
myImage.fill();
myImage.drawImage(tempTextImage, 4, 4);
myImage.setColor(Color.BLACK);
myImage.drawRect(0, 0, tempTextImage.getWidth() + 7, tempTextImage.getHeight() + 7);
setImage(myImage);
}
/**
* Change the text displayed on this Button
*
* @param text String to display
*/
public void update(String text) {
Color buttonFill = new Color(242, 206, 27); // yellow fill colour
buttonText = text;
GreenfootImage tempTextImage = new GreenfootImage(text, 20, Color.BLACK, buttonFill);
myImage = new GreenfootImage(tempTextImage.getWidth() + 8, tempTextImage.getHeight() + 8);
myImage.setColor(Color.BLACK);
myImage.fill();
myImage.drawImage(tempTextImage, 4, 4);
myImage.setColor(Color.BLACK);
myImage.drawRect(0, 0, tempTextImage.getWidth() + 7, tempTextImage.getHeight() + 7);
setImage(myImage);
}
// Method runs to update number of mana potions on screen.
private void updateImageTwo() {
GreenfootImage imageTwo =
new GreenfootImage(fullMana * heightTwo + 64, heightTwo); // create the image's object
imageTwo.drawRect(
0, 0, imageTwo.getWidth() - 1, imageTwo.getHeight() - 1); // frame added to the object
GreenfootImage potions = new GreenfootImage("mana_Ahrenn.png"); // obtains image of potion
potions.scale(4 * heightTwo / 6, 4 * heightTwo / 6); // resizes image of potion
for (int i = 0; i < mana; i++) {
imageTwo.drawImage(
potions,
4 * +4 + i * 9 * 4,
4); // adds a specific number of potions to image based on amount of mana remaining
}
setImage(imageTwo); // Actually makes the image look like how the values above desire it to be.
}
// Method runs to update number of hearts on screen.
private void updateImage() {
int heightOne = (int) height; // value of height for hearts recasted
GreenfootImage image =
new GreenfootImage(fullLives * heightOne + 64, heightOne); // create the image's object
image.drawRect(0, 0, image.getWidth() - 1, image.getHeight() - 1); // frame added to the object
GreenfootImage hearts = new GreenfootImage("hearts_Ahrenn.png"); // obtains image of heart
hearts.scale(4 * heightOne / 6, 4 * heightOne / 6); // resizes image of heart
for (int i = 0; i < lives; i++) {
image.drawImage(
hearts,
4 * +4 + i * 9 * 4,
4); // adds a specific number of hearts to image based on number of lives remaining
}
setImage(image); // Actually makes the image look like how the values above desire it to be.
}
/** Draws the count down bar for status duration */
private void drawBar() {
myImage.drawImage(bar, 0, 40); // draws the bar image on myImage
}
