Lucas de Vries
102 lines
2.6 KiB
ActionScript
102 lines
2.6 KiB
ActionScript
#priority init 50
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import systems;
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ElevationMap emap;
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double epower = 4.0;
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double egrid = 1000.0;
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double vgrid = 1000.0;
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bool drawGrid = false;
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void init() {
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recalculateElevation();
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addConsoleCommand("grid_smoothing", GridPowerCommand());
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addConsoleCommand("grid_spacing", GridSpacingCommand());
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addConsoleCommand("grid_visual", GridVisualCommand());
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addConsoleCommand("show_grid", ShowGridCommand());
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}
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void recalculateElevation() {
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//Elevation map
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emap.clear();
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vec2d minPoint, maxPoint;
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for(uint i = 0, cnt = systemCount; i < cnt; ++i) {
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auto@ sys = getSystem(i);
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vec3d pos = sys.position;
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emap.addPoint(pos, sys.radius);
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minPoint.x = min(minPoint.x, pos.x);
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minPoint.y = min(minPoint.y, pos.y);
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maxPoint.x = max(maxPoint.x, pos.x);
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maxPoint.y = max(maxPoint.y, pos.y);
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}
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emap.generate(vec2d(max(egrid, (maxPoint.x-minPoint.x)/100.0), max(egrid, (maxPoint.y-minPoint.y)/100.0)), epower);
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}
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double getElevation(double x, double z) {
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return emap.get(x, z);
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}
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double getAverageElevation() {
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return emap.gridStart.y;
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}
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bool getElevationIntersect(const line3dd& line, vec3d&out point) {
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return emap.getClosestPoint(line, point);
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}
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class GridPowerCommand : ConsoleCommand {
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void execute(const string& args) {
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epower = toDouble(args);
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emap.generate(vec2d(egrid, egrid), epower);
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}
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};
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class GridSpacingCommand : ConsoleCommand {
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void execute(const string& args) {
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egrid = toDouble(args);
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emap.generate(vec2d(egrid, egrid), epower);
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}
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};
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class GridVisualCommand : ConsoleCommand {
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void execute(const string& args) {
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vgrid = toDouble(args);
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}
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};
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class ShowGridCommand : ConsoleCommand {
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void execute(const string& args) {
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drawGrid = args.length == 0 || toBool(args);
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}
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};
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void render(double time) {
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if(!drawGrid)
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return;
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//Draw the elevation grid
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for(int x = -10, xcnt = emap.gridSize.x / vgrid + 10; x < xcnt; ++x) {
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for(int y = -10, ycnt = emap.gridSize.y / vgrid + 10; y < ycnt; ++y) {
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vec3d tlpos = emap.gridStart + vec3d(vgrid * x, 0, vgrid * y);
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vec3d brpos = tlpos + vec3d(vgrid, 0.0, vgrid);
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vec3d tl = vec3d(tlpos.x, emap.get(tlpos.x, tlpos.z), tlpos.z);
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vec3d tr = vec3d(brpos.x, emap.get(brpos.x, tlpos.z), tlpos.z);
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vec3d bl = vec3d(tlpos.x, emap.get(tlpos.x, brpos.z), brpos.z);
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vec3d br = vec3d(brpos.x, emap.get(brpos.x, brpos.z), brpos.z);
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drawPolygonStart(2, material::TestGrid);
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drawPolygonPoint(tl, vec2f(0.f, 0.f));
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drawPolygonPoint(tr, vec2f(1.f, 0.f));
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drawPolygonPoint(br, vec2f(1.f, 1.f));
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drawPolygonPoint(tl, vec2f(0.f, 0.f));
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drawPolygonPoint(bl, vec2f(0.f, 1.f));
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drawPolygonPoint(br, vec2f(1.f, 1.f));
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drawPolygonEnd();
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}
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}
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}
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