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Update readme, add potentiometer controls

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Max Amundsen
2026-03-03 16:12:36 -05:00
parent 9c81f21be7
commit da6e868b0f
10 changed files with 751 additions and 5 deletions
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67
src/renderer/renderer_dx12.cpp
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@@ -870,6 +870,61 @@ static void emit_quad(DrawBatch *batch,
batch->index_count += 6;
}
static void emit_quad_rotated(DrawBatch *batch,
float x0, float y0, float x1, float y1,
float u0, float v0, float u1, float v1,
float cr, float cg, float cb, float ca,
float angle_rad)
{
if (batch->vertex_count + 4 > MAX_VERTICES || batch->index_count + 6 > MAX_INDICES)
return;
U32 base = batch->vertex_count;
UIVertex *v = &batch->vertices[base];
float cx = (x0 + x1) * 0.5f;
float cy = (y0 + y1) * 0.5f;
float cosA = cosf(angle_rad);
float sinA = sinf(angle_rad);
float dx0 = x0 - cx, dy0 = y0 - cy;
float dx1 = x1 - cx, dy1 = y1 - cy;
v[0].pos[0] = cx + dx0 * cosA - dy0 * sinA;
v[0].pos[1] = cy + dx0 * sinA + dy0 * cosA;
v[0].uv[0] = u0; v[0].uv[1] = v0;
v[1].pos[0] = cx + dx1 * cosA - dy0 * sinA;
v[1].pos[1] = cy + dx1 * sinA + dy0 * cosA;
v[1].uv[0] = u1; v[1].uv[1] = v0;
v[2].pos[0] = cx + dx1 * cosA - dy1 * sinA;
v[2].pos[1] = cy + dx1 * sinA + dy1 * cosA;
v[2].uv[0] = u1; v[2].uv[1] = v1;
v[3].pos[0] = cx + dx0 * cosA - dy1 * sinA;
v[3].pos[1] = cy + dx0 * sinA + dy1 * cosA;
v[3].uv[0] = u0; v[3].uv[1] = v1;
for (int i = 0; i < 4; i++) {
v[i].col[0] = cr; v[i].col[1] = cg; v[i].col[2] = cb; v[i].col[3] = ca;
v[i].rect_min[0] = 0; v[i].rect_min[1] = 0;
v[i].rect_max[0] = 0; v[i].rect_max[1] = 0;
v[i].corner_radii[0] = 0; v[i].corner_radii[1] = 0;
v[i].corner_radii[2] = 0; v[i].corner_radii[3] = 0;
v[i].border_thickness = 0;
v[i].softness = 0;
v[i].mode = 1.0f;
}
U32 *idx = &batch->indices[batch->index_count];
idx[0] = base; idx[1] = base + 1; idx[2] = base + 2;
idx[3] = base; idx[4] = base + 2; idx[5] = base + 3;
batch->vertex_count += 4;
batch->index_count += 6;
}
static void emit_rect(DrawBatch *batch,
float x0, float y0, float x1, float y1,
float cr, float cg, float cb, float ca,
@@ -1276,6 +1331,18 @@ void renderer_end_frame(Renderer *r, Clay_RenderCommandArray render_commands) {
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 1.0f);
} else if (type == CUSTOM_RENDER_ROTATED_ICON) {
bind_icon();
CustomRotatedIconData *ri = (CustomRotatedIconData *)custom->customData;
Clay_Color c = ri->color;
float cr = c.r / 255.f, cg = c.g / 255.f;
float cb = c.b / 255.f, ca = c.a / 255.f;
UI_IconInfo *info = &g_icons[ri->icon_id];
emit_quad_rotated(&batch,
bb.x, bb.y, bb.x + bb.width, bb.y + bb.height,
info->u0, info->v0, info->u1, info->v1,
cr, cg, cb, ca,
ri->angle_rad);
}
}
} break;