/**
* Initialize the library. Must be called before any use of the library. Must be called by passing
* the PApplet. e.g. {@code Fisica.init(this)}
*
* @param applet The applet on which to use the library. This library can only be used with one
* applet
*/
public static void init(PApplet applet) {
m_parent = applet;
m_initialized = true;
m_viewport = new FViewport();
m_viewport.setScaleTransform(20);
}
public static Vec2 worldToScreen(float x, float y) {
return m_viewport.getWorldToScreen(x, y);
}
public static Vec2 worldToScreen(Vec2 m_in) {
return m_viewport.getWorldToScreen(m_in);
}
public static float screenToWorld(float a) {
return m_viewport.getScreenToWorld(a);
}
public static Vec2 screenToWorld(float x, float y) {
return m_viewport.getScreenToWorld(x, y);
}
public static Vec2 screenToWorld(Vec2 m_in) {
return m_viewport.getScreenToWorld(m_in);
}
/**
* Set the scale from screen units to world units. By setting the scale to 20 we are stating that
* 20 pixels is equivalent to 1 meter in the simulated world.
*
* @param scale the number of pixels that are equivalent to 1 meter in the simulated world.
*/
public static void setScale(float scale) {
m_viewport.m_scale = scale;
}
public static float worldToScreen(float a) {
return m_viewport.getWorldToScreen(a);
}