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Product: BR
Units: dBZ
Scale: 1.0
Step: 5.0
Color4: 0.0 25  93  118 0
Color4: 5.0 150 156 255 242
Color: 10.0 0   31  75 
Color: 15.0 0   0   246 
Color: 20.0 209 229 110
Color: 30.0 29  117 22 

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/***************************************************************************
BSpline.h - Utilities for BSpline operations

This is a C++ adaptation of Tagussan's JavaScript BSpline library. Typically
BSpline basis functions are implemented recursively by De Boor's algorithm,
but in this case we're using pre-calculated uniform knot BSpline bases for
speed. Unlike Tagussan's library, this only supports 2D coordinate systems.

---

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void DrawString(SDL_Renderer* renderer, const char* txt, int x, int y) {
    static uint64_t font[] = {0x7cfc3cfcfefe3cc6,0x7e7ec6c0c6c67cfc,0x7cfc7cfcc6c6c6c6,0xccfe187c0000600c,0x0000c6c666c6c0c0,
           0x66c61818ccc0eee6,0xc6c6c6c6c630c6c6,0xc6c6cc0618c60000,0x30180000c6c6c0c6,0xc0c0c0c61818d8c0,0xfef6c6c6c6c6c030,
           0xc6c6c66ccc0c1806,0x00001830fc00fefc,0xc0c6f8f8c0fe1818,0xf0c0d6dec6c6c6c6,0x7030c6c6c6387818,0x180c00000c600000,
           0xc6c6c0c6c0c0cec6,0x1818d8c0c6cec6fc,0xc6fc1c30c6c6d66c,0x3030181800000c60,0x0000c6c6c0c6c0c0,0xc2c61818ccc0c6c6,
           0xc6c0c6c60630c6c6,0xfec6306018300000,0x1830fc00c6c666c6,0xc0c066c61818c6c0,0xc6c6c6c0ccc6c630,0xc66ceec630c00000,
           0x180830180000c6fc,0x3cfcfec03cc67e70,0xc6fec6c67cc07ac6,0x7c307c38c6c630fe,0x18301818600c0000,0x0c0000007c187c7c,
           0xccfe7cfe7c7c7c30,0x467c6c000000d8c0,0xe0e060c030c03060,0x3c3c0c000000c638,0xc6c6ccc0c606c6c6,0xc678e6d66c00c0c0,
           0xd8c0c060c0606060,0x30604242183000cc,0xc6180606ccc0c006,0

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/*
 * This function assumes the existence of an active Dear ImGui window
 */
void RenderDropShadow(ImTextureID tex_id, float size, ImU8 opacity)
{
	ImVec2 p = ImGui::GetWindowPos();
	ImVec2 s = ImGui::GetWindowSize();
	ImVec2 m = {p.x + s.x, p.y + s.y};
	float uv0 = 0.0f;      // left/top region
	float uv1 = 0.333333f; // leftward/upper region

kpcftsz

ldb is a very small single-file framework for game jams. It provides the bare necessities and nothing else.
Think QBASIC and BGI.

This is what a simple project looks like:

#define USE_LDB