예제 #1
0
파일: Triangles.cs 프로젝트: nairaner/osu
        private TriangleParticle createTriangle(bool randomY)
        {
            TriangleParticle particle = CreateTriangle();

            particle.Position = new Vector2(RNG.NextSingle(), randomY ? RNG.NextSingle() : 1);
            particle.Colour   = CreateTriangleShade();

            return(particle);
        }
예제 #2
0
        private TriangleParticle createTriangle(bool randomY)
        {
            TriangleParticle particle = CreateTriangle();

            particle.Position = new Vector2(RNG.NextSingle(), randomY ? RNG.NextSingle() : 1);
            particle.Colour   = MultipleColours ? Colours[RNG.Next(0, Colours.Length - 1)] : CreateTriangleShade();

            return(particle);
        }
예제 #3
0
        protected override void Update()
        {
            base.Update();

            Velocity = 2.32222f + (float)Math.Pow((meta.Value?.Track?.CurrentAmplitudes.Average ?? 0) * 2 + .5, 2.5);

            Invalidate(Invalidation.DrawNode, shallPropagate: false);

            if (CreateNewTriangles)
            {
                addTriangles(false);
            }

            float adjustedAlpha = HideAlphaDiscrepancies ?
                                  // Cubically scale alpha to make it drop off more sharply.
                                  (float)Math.Pow(DrawInfo.Colour.AverageColour.Linear.A, 3) :
                                  1;

            float elapsedSeconds = (float)Time.Elapsed / 1000;
            // Since position is relative, the velocity needs to scale inversely with DrawHeight.
            // Since we will later multiply by the scale of individual triangles we normalize by
            // dividing by triangleScale.
            float movedDistance = -elapsedSeconds * Velocity * base_velocity / (DrawHeight * triangleScale);

            for (int i = 0; i < parts.Count; i++)
            {
                TriangleParticle newParticle = parts[i];

                // Scale moved distance by the size of the triangle. Smaller triangles should move more slowly.
                newParticle.Position.Y += parts[i].Scale * movedDistance;

                parts[i] = newParticle;

                float bottomPos = parts[i].Position.Y + triangle_size * parts[i].Scale * 0.866f / DrawHeight;
                if (bottomPos < 0)
                {
                    parts.RemoveAt(i);
                }
            }
        }
예제 #4
0
파일: Triangles.cs 프로젝트: logchan/osu
        protected override void Update()
        {
            base.Update();

            Invalidate(Invalidation.DrawNode, shallPropagate: false);

            for (int i = 0; i < parts.Count; i++)
            {
                TriangleParticle newParticle = parts[i];

                float adjustedAlpha = HideAlphaDiscrepancies ?
                                      // Cubically scale alpha to make it drop off more sharply.
                                      (float)Math.Pow(DrawInfo.Colour.AverageColour.Linear.A, 3) :
                                      1;


                newParticle.Position += new Vector2(0, -(parts[i].Scale * (50 / DrawHeight)) / triangleScale * Velocity) * ((float)Time.Elapsed / 950);
                newParticle.Colour.A  = adjustedAlpha;

                parts[i] = newParticle;

                if (!CreateNewTriangles)
                {
                    continue;
                }

                float bottomPos = parts[i].Position.Y + triangle_size * parts[i].Scale * 0.866f / DrawHeight;

                if (bottomPos < 0)
                {
                    parts.RemoveAt(i);
                }
            }

            addTriangles(false);
        }