diff --git a/vlib/gg/draw.c.v b/vlib/gg/draw.c.v index 659f34b7ba..8c0be40092 100644 --- a/vlib/gg/draw.c.v +++ b/vlib/gg/draw.c.v @@ -521,7 +521,35 @@ pub fn (ctx &Context) draw_circle_empty(x f32, y f32, radius f32, c gx.Color) { // `radius` defines the radius of the circle. // `c` is the fill color. pub fn (ctx &Context) draw_circle_filled(x f32, y f32, radius f32, c gx.Color) { - ctx.draw_circle_with_segments(x, y, radius, radius_to_segments(radius), c) + ctx.draw_polygon_filled(x, y, radius, radius_to_segments(radius), 0, c) +} + +// draw_polygon_filled draws a filled polygon. +// `x`,`y` defines the center of the polygon. +// `size` defines the size of the polygon. +// `edge` defines edge number of the polygon. +// `rotation` defines rotation of the polygon. +// `c` is the fill color. +pub fn (ctx &Context) draw_polygon_filled(x f32, y f32, size f32, edge int, rotation f32, c gx.Color) { + if c.a != 255 { + sgl.load_pipeline(ctx.timage_pip) + } + sgl.c4b(c.r, c.g, c.b, c.a) + nx := x * ctx.scale + ny := y * ctx.scale + nr := size * ctx.scale + mut theta := f32(0) + mut xx := f32(0) + mut yy := f32(0) + sgl.begin_triangle_strip() + for i := 0; i < edge + 1; i++ { + theta = 2.0 * f32(math.pi) * f32(i) / f32(edge) + xx = nr * math.cosf(theta + f32(math.radians(rotation))) + yy = nr * math.sinf(theta + f32(math.radians(rotation))) + sgl.v2f(xx + nx, yy + ny) + sgl.v2f(nx, ny) + } + sgl.end() } // draw_circle_with_segments draws a filled circle with a specific number of segments. @@ -530,25 +558,7 @@ pub fn (ctx &Context) draw_circle_filled(x f32, y f32, radius f32, c gx.Color) { // `segments` affects how smooth/round the circle is. // `c` is the fill color. pub fn (ctx &Context) draw_circle_with_segments(x f32, y f32, radius f32, segments int, c gx.Color) { - if c.a != 255 { - sgl.load_pipeline(ctx.timage_pip) - } - sgl.c4b(c.r, c.g, c.b, c.a) - nx := x * ctx.scale - ny := y * ctx.scale - nr := radius * ctx.scale - mut theta := f32(0) - mut xx := f32(0) - mut yy := f32(0) - sgl.begin_triangle_strip() - for i := 0; i < segments + 1; i++ { - theta = 2.0 * f32(math.pi) * f32(i) / f32(segments) - xx = nr * math.cosf(theta) - yy = nr * math.sinf(theta) - sgl.v2f(xx + nx, yy + ny) - sgl.v2f(nx, ny) - } - sgl.end() + ctx.draw_polygon_filled(x, y, radius, segments, 0, c) } // draw_circle_line draws the outline of a circle with a specific number of segments.