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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+export setGalaxyPlanesShown;
+export getGalaxyPlanesShown;
+
+bool SHOW_GALAXY_PLANES = false;
+void setGalaxyPlanesShown(bool enabled) {
+	SHOW_GALAXY_PLANES = enabled;
+}
+
+bool getGalaxyPlanesShown() {
+	return SHOW_GALAXY_PLANES;
+}
+
+class GalaxyPlaneScript  {
+	vec3d origin;
+	double radius;
+	double planeDist = 0;
+
+	GalaxyPlaneScript(Node& node) {
+	}
+
+	void establish(Node& node, vec3d Origin, double Radius) {
+		origin = Origin;
+		radius = Radius;
+
+		node.scale = radius;
+		node.position = origin;
+		node.rebuildTransform();
+	}
+
+	bool preRender(Node& node) {
+		if(!SHOW_GALAXY_PLANES)
+			return false;
+
+		//Calculate distance to plane
+		line3dd camLine(cameraPos, cameraPos+cameraFacing);
+		vec3d intersect;
+		if(!camLine.intersectY(intersect, origin.y, false)) {
+			intersect = cameraPos;
+			intersect.y = origin.y;
+			planeDist = sqrt(
+					sqr(max(0.0, intersect.distanceTo(origin) - radius))
+					+ sqr(cameraPos.y - origin.y));
+		}
+		else {
+			planeDist = intersect.distanceTo(cameraPos);
+				max(0.0, intersect.distanceTo(origin) - radius);
+		}
+
+		return planeDist > 3000.0;
+	}
+	
+	void render(Node& node) {
+		shader::RADIUS = radius;
+		shader::PLANE_DISTANCE = planeDist;
+
+		drawPolygonStart(PT_Quads, 1, material::GalaxyPlane);
+		drawPolygonPoint(origin + vec3d(-radius, 0, -radius), vec2f(0.f, 0.f));
+		drawPolygonPoint(origin + vec3d(+radius, 0, -radius), vec2f(1.f, 0.f));
+		drawPolygonPoint(origin + vec3d(+radius, 0, +radius), vec2f(1.f, 1.f));
+		drawPolygonPoint(origin + vec3d(-radius, 0, +radius), vec2f(0.f, 1.f));
+		drawPolygonEnd();
+	}
+};