skip not visible ft tiles and minor range zoom out
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parent
5bd45e0709
commit
112eff4462
1 changed files with 23 additions and 9 deletions
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@ -67,15 +67,20 @@ var updateTerrain = func(r_scaled){
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var tiles = me.tile_list;
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var proj_lon = pos_lon + ((col * (range/30) * math.sin(DEG2RAD * (heading - 90))) / 30);
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var proj_lat = pos_lat + ((col * (range/30) * math.cos(DEG2RAD * (heading - 90))) / 30);
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var proj_lon = pos_lon + ((col * (range/30) * math.sin(DEG2RAD * (heading - 90))) / 40);
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var proj_lat = pos_lat + ((col * (range/30) * math.cos(DEG2RAD * (heading - 90))) / 40);
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var elevft = [];
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for (var row = 0; row <= len; row += 1) {
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for (var row = 0; row < len; row += 1) {
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var point_lon = proj_lon + ((row * (range/30) / 30) * math.sin(DEG2RAD * heading));
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var point_lat = proj_lat + ((row * (range/30) / 30) * math.cos(DEG2RAD * heading));
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if (trn[row] == nil) {
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append(elevft,-1);
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continue;
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}
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var point_lon = proj_lon + ((row * (range/30) / 40) * math.sin(DEG2RAD * heading));
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var point_lat = proj_lat + ((row * (range/30) / 40) * math.cos(DEG2RAD * heading));
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var elev = me.get_elevation(point_lat, point_lon);
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var grad = 0; #black
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@ -104,6 +109,7 @@ var updateTerrain = func(r_scaled){
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for (var r=0; r < len; r+=1) {
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var imgx = elevft[r];
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if (imgx == -1) continue;
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if (imgx < 1) trn[r].hide();
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else trn[r].setFile(me.imgpath ~ me.tile_list[imgx]).show();
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#trnR[r].setFile(me.imgpath ~ me.tile_list[2-imgx]).show();
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@ -151,14 +157,20 @@ var init = func {
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for (var c=0; c<gx; c+=1) {
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var hh = c * tile;
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var mx = (c == 0) ? gx : int(math.sqrt(gx*gx-c*c) + 0.5);
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var my = int(c*4/gx);
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var py = centy + (gx-1) * tile;
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var pxr = centx+(c*tile);
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var pxl = centx-(c*tile)-tile;
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var grplx = [];
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var grprx = [];
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for (var r=0; r<mx; r+=1) {
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append(grplx , group.createChild("image").setSize(tile,tile).setTranslation(pxl,py).hide()); #.set("z-index", -100)
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append(grprx , group.createChild("image").setSize(tile,tile).setTranslation(pxr,py).hide()); #.set("z-index", -100)
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if (r<my) {
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append(grplx , nil); #skip
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append(grprx , nil);
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} else {
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append(grplx , group.createChild("image").setSize(tile,tile).setTranslation(pxl,py).hide());
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append(grprx , group.createChild("image").setSize(tile,tile).setTranslation(pxr,py).hide());
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}
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py-=tile;
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}
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me.terrlayer["L" ~ c] = grplx;
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@ -183,10 +195,12 @@ var clear = func {
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var rowR = me.terrlayer["R" ~ c];
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var len = size(rowL);
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for (var r=0; r<len; r+=1) {
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if (rowL[r] != nil) {
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rowL[r].hide();
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rowR[r].hide();
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}
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}
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}
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me.rader_cleared = 1;
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}
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