public void calc() {
try {
// 取得輸入區的字串, 轉成浮點數後除以角度換算單位
double theta = Double.parseDouble(degree.getText()) / convert;
// 計算三角函數值, 並將結果寫到各文字欄位中
sintxt.setText(String.format("%.3f", Math.sin(theta)));
costxt.setText(String.format("%.3f", Math.cos(theta)));
tantxt.setText(String.format("%.3f", Math.tan(theta)));
} catch (NumberFormatException e) {
degree.setText(""); // 發生例外時清除輸入區內容
}
}
protected void recalcWarpAmount() {
if (inRate == 0f) return;
double omegaIn, omegaOut, warp, d1;
ParamField ggWarp;
omegaIn = pr.para[PR_INFREQ].val / inRate * Constants.PI2;
omegaOut = pr.para[PR_OUTFREQ].val / inRate * Constants.PI2;
d1 = Math.tan((omegaOut - omegaIn) / 2);
warp =
Math.max(
-0.98,
Math.min(0.98, d1 / (Math.sin(omegaIn) + Math.cos(omegaIn) * d1))); // DAFx2000 'b'
ggWarp = (ParamField) gui.getItemObj(GG_WARP);
if (ggWarp != null) {
ggWarp.setParam(new Param(warp * 100, Param.FACTOR));
}
}