improved stuff

This commit is contained in:
2026-07-11 18:17:59 +03:00
parent 176f5b2aa1
commit 1c89b12d32
7 changed files with 100 additions and 29 deletions
@@ -4,7 +4,9 @@
#include "omath/hud/renderer_realizations/imgui_renderer.hpp"
#ifdef OMATH_IMGUI_INTEGRATION
#include <cmath>
#include <imgui.h>
#include <imgui_internal.h>
namespace omath::hud
{
@@ -87,6 +89,34 @@ namespace omath::hud
const std::string_view& text)
{
auto* draw_list = ImGui::GetBackgroundDrawList();
if (gradient.animated)
{
const float animation_offset = static_cast<float>(ImGui::GetTime()) * gradient.animation_speed;
float cursor_x = position.x;
const char* glyph_start = text.data();
const char* const text_end = text.data() + text.size();
int glyph_index = 0;
while (glyph_start < text_end)
{
unsigned int codepoint;
const int glyph_size = ImTextCharFromUtf8(&codepoint, glyph_start, text_end);
if (glyph_size <= 0)
break;
static_cast<void>(codepoint);
const char* const glyph_end = glyph_start + glyph_size;
const float blend =
(std::sin(animation_offset + static_cast<float>(glyph_index) * gradient.animation_spread) + 1.f)
* 0.5f;
const auto color = gradient.top_left.value() * (1.f - blend) + gradient.top_right.value() * blend;
draw_list->AddText({cursor_x, position.y}, Color{color}.to_im_color(), glyph_start, glyph_end);
cursor_x += ImGui::CalcTextSize(glyph_start, glyph_end).x;
glyph_start = glyph_end;
++glyph_index;
}
return;
}
const int vertex_start = draw_list->VtxBuffer.Size;
draw_list->AddText(position.to_im_vec2(), IM_COL32_WHITE, text.data(), text.data() + text.size());