joachim/openwebrx-clone
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Even more smoother!

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This commit is contained in:
ha7ilm 2016-08-11 23:22:52 +02:00
parent 81be5fb49a
commit 2bc0957b98
1 changed files with 5 additions and 5 deletions
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10
htdocs/openwebrx.js
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@ -1960,7 +1960,8 @@ var mathbox_element;
function mathbox_init() function mathbox_init()
{ {
mathbox_data_max_depth = fft_fps*10; //how many lines can the buffer store mathbox_data_max_depth_time = 10; //sec
mathbox_data_max_depth = fft_fps * mathbox_data_max_depth_time; //how many lines can the buffer store
mathbox_data_current_depth = 0; //how many lines are in the buffer currently mathbox_data_current_depth = 0; //how many lines are in the buffer currently
mathbox_data_index = 0; //the index of the last empty line / the line to be overwritten mathbox_data_index = 0; //the index of the last empty line / the line to be overwritten
mathbox_data = new Float32Array(fft_size * mathbox_data_max_depth); mathbox_data = new Float32Array(fft_size * mathbox_data_max_depth);
@ -2019,11 +2020,10 @@ function mathbox_init()
var remap = function(x,z,t) var remap = function(x,z,t)
{ {
var zAdd;
var currentTimePos = mathbox_data_global_index/(fft_fps*1.0); var currentTimePos = mathbox_data_global_index/(fft_fps*1.0);
zAdd = (-(t-currentTimePos)/10) - mathbox_correction_for_z; var realZAdd = (-(t-currentTimePos)/mathbox_data_max_depth_time);
if(zAdd<-0.2) { mathbox_correction_for_z += -zAdd; zAdd=0; } var zAdd = realZAdd - mathbox_correction_for_z;
if(zAdd>0.2) { mathbox_correction_for_z += zAdd; zAdd=0; } if(zAdd<-0.2 || zAdd>0.2) { mathbox_correction_for_z = realZAdd; }
var xIndex = Math.trunc(((x+1)/2.0)*fft_size); //x: frequency var xIndex = Math.trunc(((x+1)/2.0)*fft_size); //x: frequency
var zIndex = Math.trunc(z*(mathbox_data_max_depth-1)); //z: time var zIndex = Math.trunc(z*(mathbox_data_max_depth-1)); //z: time