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expanding on activity

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aprilnightk 2025-09-08 17:28:31 +03:00
parent 572dc67a8c
commit d827dbb754
3 changed files with 59 additions and 28 deletions
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28
zigsonnum/activity.zig
View file

@ -15,6 +15,7 @@ pub const Activity = struct {
0 => { try self.reset(); },
1 => { try self.setfreq(); },
2 => { try self.relay(); },
3 => { try self.slide_freq(); },
else => {},
}
}
@ -27,6 +28,29 @@ pub const Activity = struct {
try self.soundnode.freqamp.setfreq(self.operands[0], self.operands[1]);
}
pub fn slide_freq(self: *Activity) !void {
try self.soundnode.freqamp.reset();
const init_freq: f16 = self.operands[0];
const final_freq: f16 = self.operands[1];
const timediff: u32 = self.end_tick - self.start_tick;
const elapsed: u32 = self.soundnode.freqamp.current_tick - self.start_tick;
const freqdiff: f128 = ((@as(f128, final_freq - init_freq))) / @as(f128, @floatFromInt(timediff));
const res_freq: f16 = init_freq + @as(f16, @floatCast(freqdiff * @as(f128, @floatFromInt(elapsed)) ));
try self.soundnode.freqamp.setfreq(res_freq, self.operands[2]);
if (self.soundnode.freqamp.current_tick % 44100 == 0) {
print("TIMEDIFF {d}\n", .{timediff});
print("FREQDIFF {d}\n", .{@as(f16, @floatCast(freqdiff))});
print("RESFREQ {d}\n", .{res_freq});
self.soundnode.freqamp.prnt();
}
}
pub fn relay(self: *Activity) !void {
try self.soundnode.freqamp.reset();
@ -34,10 +58,6 @@ pub const Activity = struct {
for (self.soundnode.wire_in.items, 0..) |wired_sn, i| {
const current_index: u32 = self.soundnode.freqamp.current_index();
if (current_index == 0) {
print("relaying {s} to {s}\n", .{wired_sn.name, self.soundnode.name});
}
const clist = wired_sn.freqamp.freqamps[current_index];
for (clist.lst.items) |freqamp| {

37
zigsonnum/freqamp.zig
View file

@ -69,7 +69,7 @@ pub const FreqAmpList = struct {
pub const FreqAmpBuffer = struct {
const buffer_ticks_default = 44100 * 3;
const buffer_ticks_default = 44100;
allocator: Allocator,
buffer_ticks: u32 = buffer_ticks_default,
@ -178,18 +178,15 @@ pub const FreqAmpBuffer = struct {
var clist = self.freqamps[cur_index];
// If this freq already is set, sum the r_amps
// Currently turned off
if (0>0) {
for (clist.lst.items) |freqamp| {
for (clist.lst.items) |freqamp| {
if (freqamp.freq == freq) {
freqamp.r_amp = r_amp;
return;
}
if (freqamp.freq == freq) {
freqamp.r_amp = r_amp;
return;
}
}
// Otherwise, append new freqamp
@ -207,21 +204,19 @@ pub const FreqAmpBuffer = struct {
// If this freq already is set, sum the r_amps
if (0>0) {
for (clist.lst.items) |freqamp| {
for (clist.lst.items) |freqamp| {
if (freqamp.freq == freq) {
if (freqamp.freq == freq) {
freqamp.r_amp += r_amp;
if (freqamp.r_amp > 1) {
freqamp.r_amp = 1;
}
return;
freqamp.r_amp += r_amp;
if (freqamp.r_amp > 1) {
freqamp.r_amp = 1;
}
return;
}
}
// Otherwise, append new freqamp

22
zigsonnum/sonnum.zig
View file

@ -26,7 +26,7 @@ pub fn main() !void {
var settings: SoundSettings = SoundSettings{};
const start_tick: u32 = 0;
const end_tick: u32 = 44100 * 120;
const end_tick: u32 = 44100 * 10;
var left: SoundNode = try SoundNode.init(allocator, "left_sink");
defer left.deinit();
@ -49,7 +49,22 @@ pub fn main() !void {
a.operands[0] = 410.0;
a.operands[1] = 0.8;
var sine2: SoundNode = try SoundNode.init(allocator, "sine2");
defer sine2.deinit();
var a4 = Activity{
.start_tick = 0,
.end_tick = end_tick,
.opcode = 3,
.soundnode = &sine2,
};
a4.operands[0] = 410.0;
a4.operands[1] = 820.0;
a4.operands[2] = 0.5;
try sine.activities.append(&a);
try sine2.activities.append(&a4);
var a2 = Activity{
.start_tick = 0,
@ -72,11 +87,12 @@ pub fn main() !void {
//Preset sink nodes
try soundnodes.append(&sine);
try soundnodes.append(&sine2);
try soundnodes.append(&left);
try soundnodes.append(&right);
try left.wire_in.append(&sine);
try right.wire_in.append(&sine);
try left.wire_in.append(&sine2);
try right.wire_in.append(&sine2);
var tick: u32 = start_tick;