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REVIEWED: DrawRectangleLines(), considering view matrix for lines "alignment"

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Ray
2024-10-24 13:11:39 +02:00
parent 385187f795
commit 16368cd353
1 changed files with 33 additions and 9 deletions
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42
src/rshapes.c
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@@ -808,21 +808,45 @@ void DrawRectangleGradientEx(Rectangle rec, Color topLeft, Color bottomLeft, Col
void DrawRectangleLines(int posX, int posY, int width, int height, Color color) void DrawRectangleLines(int posX, int posY, int width, int height, Color color)
{ {
Matrix mat = rlGetMatrixModelview(); Matrix mat = rlGetMatrixModelview();
float zoomElement = 0.5f / mat.m0; float zoomFactor = 0.5f/mat.m0;
rlBegin(RL_LINES); rlBegin(RL_LINES);
rlColor4ub(color.r, color.g, color.b, color.a); rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2f((float)posX - zoomElement, (float)posY); rlVertex2f((float)posX - zoomFactor, (float)posY);
rlVertex2f((float)posX + (float)width + zoomElement, (float)posY); rlVertex2f((float)posX + (float)width + zoomFactor, (float)posY);
rlVertex2f((float)posX + (float)width, (float)posY - zoomElement); rlVertex2f((float)posX + (float)width, (float)posY - zoomFactor);
rlVertex2f((float)posX + (float)width, (float)posY + (float)height + zoomElement); rlVertex2f((float)posX + (float)width, (float)posY + (float)height + zoomFactor);
rlVertex2f((float)posX + (float)width + zoomElement, (float)posY + (float)height); rlVertex2f((float)posX + (float)width + zoomFactor, (float)posY + (float)height);
rlVertex2f((float)posX - zoomElement, (float)posY + (float)height); rlVertex2f((float)posX - zoomFactor, (float)posY + (float)height);
rlVertex2f((float)posX, (float)posY + (float)height + zoomElement); rlVertex2f((float)posX, (float)posY + (float)height + zoomFactor);
rlVertex2f((float)posX, (float)posY - zoomElement); rlVertex2f((float)posX, (float)posY - zoomFactor);
rlEnd(); rlEnd();
/*
// Previous implementation, it has issues... but it does not require view matrix...
#if defined(SUPPORT_QUADS_DRAW_MODE)
DrawRectangle(posX, posY, width, 1, color);
DrawRectangle(posX + width - 1, posY + 1, 1, height - 2, color);
DrawRectangle(posX, posY + height - 1, width, 1, color);
DrawRectangle(posX, posY + 1, 1, height - 2, color);
#else
rlBegin(RL_LINES);
rlColor4ub(color.r, color.g, color.b, color.a);
rlVertex2f((float)posX, (float)posY);
rlVertex2f((float)posX + (float)width, (float)posY + 1);
rlVertex2f((float)posX + (float)width, (float)posY + 1);
rlVertex2f((float)posX + (float)width, (float)posY + (float)height);
rlVertex2f((float)posX + (float)width, (float)posY + (float)height);
rlVertex2f((float)posX + 1, (float)posY + (float)height);
rlVertex2f((float)posX + 1, (float)posY + (float)height);
rlVertex2f((float)posX + 1, (float)posY + 1);
rlEnd();
//#endif
*/
} }
// Draw rectangle outline with extended parameters // Draw rectangle outline with extended parameters