falsycat/shapes-juke
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[update] Replaced the NullVarStore with the StandardVarStore.

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This commit is contained in:
falsycat 2019-10-05 00:00:00 +00:00
parent 1a18f59930
commit 39a6977caf
3 changed files with 12 additions and 9 deletions
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13
sjscript/src/sjscript/calculate.d
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@ -19,13 +19,18 @@ enum IsVarStore(T) =
static assert(IsVarStore!(float[string]));
///
struct NullVarStore {
struct StandardVarStore {
public:
static float opIndex(string name) {
// TODO: error handling
throw new Exception("undefined variable %s".format(name));
switch (name) {
case "PI": return PI;
case "PI_2": return PI_2;
case "PI_4": return PI_4;
case "E": return E;
default: throw new Exception("undefined variable %s".format(name));
}
}
static assert(IsVarStore!NullVarStore);
static assert(IsVarStore!StandardVarStore);
}
///

4
sjscript/src/sjscript/parse.d
View File

@ -68,8 +68,8 @@ private class RuleSet {
Expression end,
@(TokenType.CloseBracket) Token) {
return Period(
start.CalculateExpression(NullVarStore()),
end .CalculateExpression(NullVarStore()));
start.CalculateExpression(StandardVarStore()),
end .CalculateExpression(StandardVarStore()));
}
static Parameter[] ParseParameterListFirstItem(Parameter param) {

4
sjscript/test/test01.sj
View File

@ -1,7 +1,5 @@
// this is comment
$define pi {3.14}
$define sinwave {
translate_x = $sinwave_add_x + sin(rtime * $sinwave_hz) * $sinwave_amp_x;
translate_y = $sinwave_add_y + cos(rtime * $sinwave_hz) * $sinwave_amp_y;
@ -18,7 +16,7 @@ $define shoot {
translate_y += __dir_y;
}
$define beat {sin($pi/4)}
$define beat {sin(PI/4)}
A [$beat..$beat+10] {
$define sinwave_add_x {0.5}
$define sinwave_add_y {0.5}