trnr/tlib
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add license headers

Browse Source
This commit is contained in:
Chris
2025-11-06 11:05:54 +01:00
parent a362ab6c91
commit 12ae07d115
22 changed files with 739 additions and 108 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
gfx/dice.h
View File

@@ -1,4 +1,28 @@
/*
* dice.h
* Copyright (c) 2025 Christopher Herb
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <array>
using namespace std;
@@ -28,6 +52,7 @@ struct dice {
array<quad, 6> segments_left;
};
// caclulates coordinates for an isometric dice control with bar segments
inline void dice_init(dice& d, float width, float height)
{
const float shortening = 0.866f;
@@ -66,7 +91,8 @@ inline void dice_init(dice& d, float width, float height)
// calculate segments of the left face
for (int i = 0; i < d.segments_left.size(); i++) {
const point base_p1 = point {mid_x - face_width + pad_x, face_half_height + pad_y};
const point base_p1 =
point {mid_x - face_width + pad_x, face_half_height + pad_y};
const point base_p2 = point {mid_x - pad_x, face_height};
float seg_y = i * (segment_height + gap_height);
point p1 = {base_p1.x, base_p1.y + seg_y};
@@ -80,7 +106,8 @@ inline void dice_init(dice& d, float width, float height)
// correct center of the diamond face
// the diamond spans from b_p1 (top) to the middle of the left face
float diamond_center_x = mid_x;
float diamond_center_y = face_half_height / 2.0f + face_half_height / 2.0f; // move down to actual center
float diamond_center_y =
face_half_height / 2.0f + face_half_height / 2.0f; // move down to actual center
// for 30-degree isometric, the grid directions are:
float cos30 = 1.f; // cos(30°) = √3/2 ≈ 0.866