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make matrix.zig a bit cleaner

This commit is contained in:
Kinzie 2024-03-25 13:54:27 +00:00
parent b0ad7a611a
commit 6a41bcf13a
1 changed files with 23 additions and 21 deletions
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44
src/animations/Matrix.zig
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@ -78,53 +78,56 @@ pub fn draw(self: *Matrix) void {
var j: u64 = 0; var j: u64 = 0;
while (j < self.terminal_buffer.width) : (j += 2) { while (j < self.terminal_buffer.width) : (j += 2) {
var tail: u64 = 0; var tail: u64 = 0;
if (self.frame > self.lines[j].update) { var line = &self.lines[j];
if (self.frame > line.update) {
if (self.dots[j].value == -1 and self.dots[self.terminal_buffer.width + j].value == ' ') { if (self.dots[j].value == -1 and self.dots[self.terminal_buffer.width + j].value == ' ') {
if (self.lines[j].space > 0) { if (line.space > 0) {
self.lines[j].space -= 1; line.space -= 1;
} else { } else {
const randint = self.terminal_buffer.random.int(i16); const randint = self.terminal_buffer.random.int(i16);
const h: isize = @intCast(self.terminal_buffer.height); const h: isize = @intCast(self.terminal_buffer.height);
self.lines[j].length = @mod(randint, h - 3) + 3; line.length = @mod(randint, h - 3) + 3;
self.dots[j].value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT; self.dots[j].value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
self.lines[j].space = @mod(randint, h + 1); line.space = @mod(randint, h + 1);
} }
} }
var i: u64 = 0; var i: u64 = 0;
var first_col = true; var first_col = true;
var seg_len: u64 = 0; var seg_len: u64 = 0;
while (i <= buf_height) { height_it: while (i <= buf_height) {
var dot = &self.dots[buf_width * i + j];
// Skip over spaces // Skip over spaces
while (i <= buf_height and (self.dots[buf_width * i + j].value == ' ' or self.dots[buf_width * i + j].value == -1)) { while (i <= buf_height and (dot.value == ' ' or dot.value == -1)) {
i += 1; i += 1;
if (i > buf_height) break :height_it;
dot = &self.dots[buf_width * i + j];
} }
if (i > buf_height) break;
// Find the head of this col // Find the head of this col
tail = i; tail = i;
seg_len = 0; seg_len = 0;
while (i <= buf_height and (self.dots[buf_width * i + j].value != ' ' and self.dots[buf_width * i + j].value != -1)) { while (i <= buf_height and (dot.value != ' ' and dot.value != -1)) {
self.dots[buf_width * i + j].is_head = false; dot.is_head = false;
if (MID_SCROLL_CHANGE) { if (MID_SCROLL_CHANGE) {
const randint = self.terminal_buffer.random.int(i16); const randint = self.terminal_buffer.random.int(i16);
if (@mod(randint, 8) == 0) if (@mod(randint, 8) == 0)
self.dots[buf_width * i + j].value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT; dot.value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
} }
i += 1; i += 1;
seg_len += 1; seg_len += 1;
} // Head's down offscreen
if (i > buf_height) {
// Head's down offscreen self.dots[buf_width * tail + j].value = ' ';
if (i > buf_height) { continue :height_it;
self.dots[buf_width * tail + j].value = ' '; }
continue; dot = &self.dots[buf_width * i + j];
} }
const randint = self.terminal_buffer.random.int(i16); const randint = self.terminal_buffer.random.int(i16);
self.dots[buf_width * i + j].value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT; dot.value = @mod(randint, MAX_CODEPOINT) + MIN_CODEPOINT;
self.dots[buf_width * i + j].is_head = true; dot.is_head = true;
if (seg_len > self.lines[j].length or !first_col) { if (seg_len > self.lines[j].length or !first_col) {
self.dots[buf_width * tail + j].value = ' '; self.dots[buf_width * tail + j].value = ' ';
@ -137,7 +140,6 @@ pub fn draw(self: *Matrix) void {
} }
} }
// Fine
var j: u64 = 0; var j: u64 = 0;
while (j < buf_width) : (j += 2) { while (j < buf_width) : (j += 2) {
var i: u64 = 1; var i: u64 = 1;