Lucas de Vries
41 lines
1.1 KiB
ActionScript 3
41 lines
1.1 KiB
ActionScript 3
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//Draws a blackhole and its accretion disk
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final class BlackholeNodeScript {
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BlackholeNodeScript(Node& node) {
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node.transparent = true;
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node.customColor = true;
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node.autoCull = false;
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}
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void establish(Node& node, Star& star) {
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auto@ gfx = PersistentGfx();
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gfx.establish(star, "BlackholeGlitter");
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gfx.rotate(quaterniond_fromAxisAngle(vec3d_right(), pi * 0.5));
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}
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bool preRender(Node& node) {
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return isSphereVisible(node.abs_position, 20.0 * node.abs_scale);
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}
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void render(Node& node) {
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double dist = node.sortDistance / (2500.0 * node.abs_scale * pixelSizeRatio);
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if(dist < 1.0) {
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node.applyTransform();
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material::Blackhole.switchTo();
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model::Sphere_max.draw(node.sortDistance / (node.abs_scale * pixelSizeRatio));
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undoTransform();
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renderPlane(material::AccretionDisk, node.abs_position, node.abs_scale * 20.0, Color(0xffffffff));
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}
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if(dist > 0.5) {
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Color col(node.color);
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col.a = dist > 1.0 ? 255 : int((dist - 0.5)*255.0/0.5);
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renderBillboard(material::DistantStar, node.abs_position, node.abs_scale * 320.0, 0.0, col);
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}
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}
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};
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