draw_button

Draws a simple button of any size, either pressed or unpressed.

语法：

draw_button(x1, y1, x2, y2, up);


参数 描述
x1 The x coordinate of the left of the button
y1 The y coordinate of the top of the button
x2 The x coordinate of the right of the button
y2 The y coordinate of the bottom of the button
up Whether the button is up (true) or down (false)


返回： N/A（无返回值）


描述

This function will draw a very simple, rectangular "button" using the currently selected draw colour and alpha where the up argument defines how the bevelled edge effect looks, as shown in the image below:

NOTE: If you are wanting to draw a shape using a shader, you should be aware that most shaders expect the following inputs: vertex, texture, Colour. However, when using this function, only vertex and colour data are being passed in, and so the shader may not draw anything (or draw something but not correctly). If you need to draw shapes in this way then the shader should be customised with this in mind.



例如：

draw_button(100, 100, 200, 150, !mouse_check_button(mb_left));

This will draw a button which will appear pressed if the left mouse button is held down.


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