Open source Star Ruler 2 source code!

2018-07-17 14:15:37 +02:00
commit cc307720ff
4342 changed files with 2365070 additions and 0 deletions
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+#pragma once
+#include "plane.h"
+#include "line3d.h"
+#include "aabbox.h"
+
+struct frustum {
+	//Planes are: Near, Left, Right, Top, Bottom, Far
+	planed planes[6];
+	AABBoxd bound;
+
+	frustum() {}
+
+	frustum(const line3dd& topLeft, const line3dd& topRight, const line3dd& botLeft, const line3dd& botRight) {
+		planes[0] = planed(topLeft.start,  botLeft.start,  topRight.start);
+		planes[1] = planed(topLeft.start,  topLeft.end,    botLeft.start);
+		planes[2] = planed(topRight.end,   topRight.start, botRight.start);
+		planes[3] = planed(topLeft.start,  topRight.start, topRight.end);
+		planes[4] = planed(botRight.start, botLeft.start,  botRight.end);
+		planes[5] = planed(topLeft.end,    topRight.end,   botLeft.end);
+		
+		bound.reset(topLeft);
+		bound.addLine(topRight);
+		bound.addLine(botLeft);
+		bound.addLine(botRight);
+	}
+
+	void operator=(const frustum& other) {
+		memcpy(this, &other, sizeof(frustum));
+	}
+
+	bool overlaps(const vec3d& center, double radius) const {
+		for(unsigned i = 0; i < 6; ++i)
+			if(planes[i].distanceFromPlane(center) <= -radius)
+				return false;
+		return true;
+	}
+};