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skip not visible ft tiles and minor range zoom out

This commit is contained in:
Inuyaksa 2021-02-13 23:57:09 +01:00
parent 5bd45e0709
commit 112eff4462

View file

@ -67,15 +67,20 @@ var updateTerrain = func(r_scaled){
var tiles = me.tile_list;
var proj_lon = pos_lon + ((col * (range/30) * math.sin(DEG2RAD * (heading - 90))) / 30);
var proj_lat = pos_lat + ((col * (range/30) * math.cos(DEG2RAD * (heading - 90))) / 30);
var proj_lon = pos_lon + ((col * (range/30) * math.sin(DEG2RAD * (heading - 90))) / 40);
var proj_lat = pos_lat + ((col * (range/30) * math.cos(DEG2RAD * (heading - 90))) / 40);
var elevft = [];
for (var row = 0; row <= len; row += 1) {
for (var row = 0; row < len; row += 1) {
var point_lon = proj_lon + ((row * (range/30) / 30) * math.sin(DEG2RAD * heading));
var point_lat = proj_lat + ((row * (range/30) / 30) * math.cos(DEG2RAD * heading));
if (trn[row] == nil) {
append(elevft,-1);
continue;
}
var point_lon = proj_lon + ((row * (range/30) / 40) * math.sin(DEG2RAD * heading));
var point_lat = proj_lat + ((row * (range/30) / 40) * math.cos(DEG2RAD * heading));
var elev = me.get_elevation(point_lat, point_lon);
var grad = 0; #black
@ -104,6 +109,7 @@ var updateTerrain = func(r_scaled){
for (var r=0; r < len; r+=1) {
var imgx = elevft[r];
if (imgx == -1) continue;
if (imgx < 1) trn[r].hide();
else trn[r].setFile(me.imgpath ~ me.tile_list[imgx]).show();
#trnR[r].setFile(me.imgpath ~ me.tile_list[2-imgx]).show();
@ -151,14 +157,20 @@ var init = func {
for (var c=0; c<gx; c+=1) {
var hh = c * tile;
var mx = (c == 0) ? gx : int(math.sqrt(gx*gx-c*c) + 0.5);
var my = int(c*4/gx);
var py = centy + (gx-1) * tile;
var pxr = centx+(c*tile);
var pxl = centx-(c*tile)-tile;
var grplx = [];
var grprx = [];
for (var r=0; r<mx; r+=1) {
append(grplx , group.createChild("image").setSize(tile,tile).setTranslation(pxl,py).hide()); #.set("z-index", -100)
append(grprx , group.createChild("image").setSize(tile,tile).setTranslation(pxr,py).hide()); #.set("z-index", -100)
if (r<my) {
append(grplx , nil); #skip
append(grprx , nil);
} else {
append(grplx , group.createChild("image").setSize(tile,tile).setTranslation(pxl,py).hide());
append(grprx , group.createChild("image").setSize(tile,tile).setTranslation(pxr,py).hide());
}
py-=tile;
}
me.terrlayer["L" ~ c] = grplx;
@ -183,8 +195,10 @@ var clear = func {
var rowR = me.terrlayer["R" ~ c];
var len = size(rowL);
for (var r=0; r<len; r+=1) {
rowL[r].hide();
rowR[r].hide();
if (rowL[r] != nil) {
rowL[r].hide();
rowR[r].hide();
}
}
}
me.rader_cleared = 1;