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--- notes:comporg:spring2024:projects:def0 [2024/02/15 01:09] – [Comparisons] jwieland
+++ notes:comporg:spring2024:projects:def0 [2024/02/15 04:58] (current) – [Drawing Regions] rspringe
@@ Line 45: / Line 45: @@
 =====Drawing Regions=====
+Before a region can be drawn, its borders have to be defined within the texture file.
+This is done similarly to the define_region functions in C:
+<code C>
+define_region(minX, minY, maxX, maxY, hotspotX, hotspotY);
+</code>
+Except that here, you have to input each coordinate value individually, including the hotspots.
+Getting only the necessary lines from the compiled code, defining a region would look like so:
+<code asm>
+out GPU_RegionMinX, R?
+out GPU_RegionMinY, R?
+. . .
+out GPU_RegionHotSpotY, R?
+</code>
+Where "R?" refers to the register that stores that specific coordinate.
 To display your regions you have to say where you want to display the region. That is done by putting in values for X and Y into 2 different registers. Here is what that looks like:

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