Moving to v5¶

If your moving to v5 from v4. then here is the things you might need to take care about for your application to support v5.

Drawing functions¶

All functions that draw something on the screen got rid of the first argument, aka your window. These function/classes include:

Classes:

fusion.Image()
fusion.Button()
fusion.Text()

Functions:

fusion.draw_rect()
fusion.draw_image()
fusion.set_background_color()
fusion.draw_line()
fusion.draw_line_rect()
fusion.draw_arbitrary_polygon_outline()
fusion.set_pixel()

Custom colors¶

If you used color that are not automatically specified in the api, but rather with a custom tuple, then you might need to migrate to the new way of colors in fusion engine. Here is the new way to handle colors in fusion v5:

fusion.Color(255, 255, 255, 255)

So instead of using a tuple, you use a object of Color class. This is appleid to all functions from before.

Drawing text¶

Normally if you used the text class, then you used it inside a loop. The new way is to load it ouside the loop and then render it inside the loop. Here is a example

my_text = fusion.Text("test", 10, 10, "Arial", 12, fusion.BLUE)

@your_window.loop
def loop():
    my_text.draw()

Build-in fonts¶

There are no build-in font anymore except the DEBUGFONT in fusion. This font is Nunito Light font, that you can use as you want. If not, you can always use your own font or the os build in font.

draw_image_file¶

This function has been renamed to draw_image.

Removal of pygame-gui and some aspects of pygame-ce¶

pygame-gui¶

You can no longer use pygame-gui with fusion. Instead, you can use build in UI library

pygame-ce¶

You can no longer use your own drawing code in pygame-ce with fusion, as fusion moved to custom OpenGL bindings called FusionGL for rendering purposes. If you want to know how to use PyOpenGL with fusion, go to the external page of the wiki.

Buttons¶

Making button is now different than before. Now you don't pass a rect, instead you pass all of this:

Window
X
Y
Width
Height
Font_size
Text
Font (Optional, if not given then the default font will be used)

So like this:

my_button = fusion.Button(15, 15, 200, 200, 20, "Test")

Drawing it¶

Drawing the button is really easy, just like this:

@your_window.loop
def loop():
    my_button.draw()

Gettig if clicked¶

If you want to get if a button is pressed, just do it this new way:

@window.loop
def loop():
    if your_button.is_pressed():
        ... # Do your stuff

Force quit naming¶

The force_quit() function inside the window class has been changed to quit() instead. It operates the same way as before.