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BLT-With-Graphics-Template
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graphics

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Brett 2025-04-05 21:07:51 -04:00
parent 9b1c1a1bb1
commit ebcdbeb172
2 changed files with 42 additions and 1 deletions
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2
CMakeLists.txt
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@ -1,7 +1,7 @@
cmake_minimum_required(VERSION 3.25) cmake_minimum_required(VERSION 3.25)
include(FetchContent) include(FetchContent)
set(BLT_GRAPHICS_VERSION 2.0.8) set(BLT_GRAPHICS_VERSION 2.0.9)
set(BLT_GRAPHICS_TEST_VERSION 0.0.1) set(BLT_GRAPHICS_TEST_VERSION 0.0.1)
project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION}) project(BLT_WITH_GRAPHICS VERSION ${BLT_GRAPHICS_VERSION})

41
include/blt/gfx/renderer/batch_2d_renderer.h
View File

@ -32,11 +32,29 @@
namespace blt::gfx namespace blt::gfx
{ {
enum class anchor_t
{
TOP_LEFT,
TOP_RIGHT,
BOTTOM_LEFT,
BOTTOM_RIGHT,
CENTER, };
struct rectangle2d_t struct rectangle2d_t
{ {
vec2f pos, size; vec2f pos, size;
f32 rotation = 0; f32 rotation = 0;
rectangle2d_t(const anchor_t anchor, const f32 x, const f32 y, const f32 width, const f32 height): pos(x, y), size(width, height)
{
update_based_on_anchor(anchor);
}
rectangle2d_t(const anchor_t anchor, const vec2f pos, const vec2f size): pos(pos), size(size)
{
update_based_on_anchor(anchor);
}
rectangle2d_t(const f32 x, const f32 y, const f32 width, const f32 height, const f32 rotation): pos(x, y), size(width, height), rectangle2d_t(const f32 x, const f32 y, const f32 width, const f32 height, const f32 rotation): pos(x, y), size(width, height),
rotation(rotation) rotation(rotation)
{} {}
@ -49,6 +67,29 @@ namespace blt::gfx
rectangle2d_t(const vec2f pos, const vec2f size): pos(pos), size(size) rectangle2d_t(const vec2f pos, const vec2f size): pos(pos), size(size)
{} {}
void update_based_on_anchor(const anchor_t anchor)
{
switch (anchor)
{
case anchor_t::TOP_LEFT:
pos += vec2f(size.x() / 2.0f, -size.y() / 2.0f);
break;
case anchor_t::TOP_RIGHT:
pos += vec2f(-size.x() / 2.0f, -size.y() / 2.0f);
break;
case anchor_t::BOTTOM_LEFT:
// size = vec2f(size.x() / 2.0f, size.y() / 2.0f);
pos += vec2f(size.x() / 2.0f, size.y() / 2.0f);
break;
case anchor_t::BOTTOM_RIGHT:
pos += vec2f(-size.x() / 2.0f, size.y() / 2.0f);
break;
case anchor_t::CENTER:
break;
}
}
}; };
struct line2d_t struct line2d_t