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How to manipulate Canvas elements: Difference between revisions
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How to manipulate Canvas elements (view source)
Revision as of 14:48, 7 December 2017
, 7 December 2017→Intrinsic Coordenates
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The blue axis and labels are showing the <span style="background: white; color: blue">( '''u, v''' )</span> <big>absolute</big> coodinate system.<br /> | The blue axis and labels are showing the <span style="background: white; color: blue">( '''u, v''' )</span> <big>absolute</big> coodinate system.<br /> | ||
Note that the translated arrow has brought with him his intrinsic coordenate system and his BoundingBox remains unchanged.<br /> | Note that the translated arrow has brought with him his intrinsic coordenate system and his BoundingBox remains unchanged.<br /> | ||
Calling the ''getTranslation()'' we get [Tx, Ty] (In our case [150, 80] ).<br /> | |||
All points of the element meet the following equations::<br /> | All points of the element meet the following equations::<br /> | ||
<big>'''''u = | <big>'''''u = T<sub>x</sub> + x'''''</big> | ||
<big>'''''v = | <big>'''''v = T<sub>y</sub> + y'''''</big> | ||