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Ray 2021-06-10 18:00:44 +02:00
parent 7bc2e922c9
commit b188008a1c
6 changed files with 28 additions and 24 deletions
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18
src/shapes.c
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@ -122,15 +122,19 @@ void DrawLineV(Vector2 startPos, Vector2 endPos, Color color)
// Draw a line defining thickness
void DrawLineEx(Vector2 startPos, Vector2 endPos, float thick, Color color)
{
Vector2 delta = {endPos.x-startPos.x, endPos.y-startPos.y};
float length = sqrtf(delta.x*delta.x + delta.y*delta.y);
Vector2 delta = { endPos.x - startPos.x, endPos.y - startPos.y };
float length = sqrtf(delta.x*delta.x + delta.y*delta.y);
if (length > 0 && thick > 0)
if ((length > 0) && (thick > 0))
{
float scale = thick/(2*length);
Vector2 radius = {-scale*delta.y, scale*delta.x};
Vector2 strip[] = {{startPos.x-radius.x, startPos.y-radius.y}, {startPos.x+radius.x, startPos.y+radius.y},
{endPos.x-radius.x, endPos.y-radius.y}, {endPos.x+radius.x, endPos.y+radius.y}};
float scale = thick/(2*length);
Vector2 radius = { -scale*delta.y, scale*delta.x };
Vector2 strip[4] = {
{ startPos.x - radius.x, startPos.y - radius.y },
{ startPos.x + radius.x, startPos.y + radius.y },
{ endPos.x - radius.x, endPos.y - radius.y },
{ endPos.x + radius.x, endPos.y + radius.y }
};
DrawTriangleStrip(strip, 4, color);
}