public void Draw(OpenGL gl, float originX, float originY, float originZ, float audioModifier, bool doOriginTranslation)
{
OriginX = originX;
OriginY = originY;
OriginZ = OriginZ;
// Rotate colors
if (_colorRotateStopwatch.ElapsedMilliseconds >= ColorRotateIntervalMs)
{
pickColor();
_colorRotateStopwatch.Restart();
}
for (int index = 0; index < _particles.Count; index++)
{
Particle particle = _particles[index];
float x = particle.X;
float y = particle.Y;
float z = particle.Z;
float r = particle.R;
float g = particle.G;
float b = particle.B;
float a = particle.Life;
float size = particle.Size;
_pointData[_point.DataStride * index + 0] = x;
_pointData[_point.DataStride * index + 1] = y;
_pointData[_point.DataStride * index + 2] = z;
_pointData[_point.DataStride * index + 3] = size;
_pointData[_point.DataStride * index + 4] = r;
_pointData[_point.DataStride * index + 5] = g;
_pointData[_point.DataStride * index + 6] = b;
_pointData[_point.DataStride * index + 7] = a;
// Increment particle location and speed
if (OverrideParticleUpdate != null)
{
OverrideParticleUpdate(particle, audioModifier);
}
else
{
particle.Update();
}
// Invoke after update delegate if present
if (AfterParticleUpdate != null)
{
AfterParticleUpdate(particle, audioModifier);
}
// Reset dead particles
if (particle.Life <= 0.0f)
{
if (_isContinuous)
{
if (OverrideParticleInit != null)
{
// Call custom init if specified
OverrideParticleInit(particle, audioModifier);
}
else
{
// Re-init happening, no longer initial
particle.IsInitialInit = false;
// Default init
particle.Init(_random, audioModifier);
// Custom init if specified
if (AfterParticleInit != null)
{
AfterParticleInit(particle, audioModifier);
}
}
if (_autoRotateColors)
{
particle.R = Constants.Colors[_colorIndex, 0];
particle.G = Constants.Colors[_colorIndex, 1];
particle.B = Constants.Colors[_colorIndex, 2];
}
}
else
{
if (particle.IsAlive)
{
_deadParticleCount++;
particle.IsAlive = false;
if (_deadParticleCount == _particles.Count)
{
// None are alive. This particle system is no longer active
// and the caller should let it get GC'd
_isActive = false;
}
}
}
}
}
// Begin Draw
if (doOriginTranslation)
{
GlState.Instance.ModelMatrix = glm.translate(GlState.Instance.ModelMatrix, new vec3(originX, originY, originZ));
}
// Update buffers
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, _vertexBufferObject[0]);
GlBuffer.SetArrayData(gl, null, _pointData.Length * PrimitiveSizes.FloatBytes, OpenGL.GL_STREAM_DRAW);
GlBuffer.SetArraySubData(gl, _pointData, _pointData.Length * PrimitiveSizes.FloatBytes);
// Make model matrix available for drawing
gl.UniformMatrix4(GlState.Instance.ParticleModelMatrixLocation, 1, false, GlState.Instance.ModelMatrix.to_array());
// Set blending for particle system
gl.BlendFunc(_blendMode, OpenGL.GL_ONE);
gl.DepthFunc(OpenGL.GL_ALWAYS);
// Draw
gl.ActiveTexture(OpenGL.GL_TEXTURE0);
gl.BindTexture(OpenGL.GL_TEXTURE_2D, _texture);
gl.Uniform1(GlState.Instance.ParticleTextureLocation, 0);
gl.BindVertexArray(_vertexArrayObject[0]);
gl.DrawArrays(OpenGL.GL_POINTS, 0, _pointData.Length);
gl.BindVertexArray(0);
gl.BindTexture(OpenGL.GL_TEXTURE_2D, 0);
// Reset depth and blend func
gl.DepthFunc(OpenGL.GL_LESS);
gl.BlendFunc(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA);
if (doOriginTranslation)
{
GlState.Instance.ModelMatrix = mat4.identity();
}
// End Draw
}
public void Draw(OpenGL gl, float originX, float originY, float originZ, float[] audioData)
{
_ballOrigin.x = originX;
_ballOrigin.y = originY;
_ballOrigin.z = originZ;
for (int index = 0; index < _pointSphere.VertexData.Length / _pointSphere.DataStride; index++)
{
float x = _pointSphere.VertexData[_pointSphere.DataStride * index + 0];
float y = _pointSphere.VertexData[_pointSphere.DataStride * index + 1];
float z = _pointSphere.VertexData[_pointSphere.DataStride * index + 2];
float r = Constants.Colors[_colorIndex, 0];
float g = Constants.Colors[_colorIndex, 1];
float b = Constants.Colors[_colorIndex, 2];
float a = 0.0f;
float size = audioData[0] / 8.0f;
if (size < MinPointSize)
{
size = MinPointSize;
}
if (size > MaxPointSize)
{
size = MaxPointSize;
}
_pointData[_point.DataStride * index + 0] = x;
_pointData[_point.DataStride * index + 1] = y;
_pointData[_point.DataStride * index + 2] = z;
_pointData[_point.DataStride * index + 3] = size;
_pointData[_point.DataStride * index + 4] = r;
_pointData[_point.DataStride * index + 5] = g;
_pointData[_point.DataStride * index + 6] = b;
_pointData[_point.DataStride * index + 7] = a;
}
// Rotation and scale factor
_rotX += IdleRotationSpeed;
_rotY += IdleRotationSpeed;
_rotZ += IdleRotationSpeed;
float scaleFactor = 1.0f + (audioData[0] * 0.04f);
// Begin Draw
GlState.Instance.ModelMatrix = mat4.identity();
GlState.Instance.ModelMatrix = glm.translate(GlState.Instance.ModelMatrix, new vec3(originX, originY, originZ));
GlState.Instance.ModelMatrix = glm.scale(GlState.Instance.ModelMatrix, new vec3(scaleFactor, scaleFactor, scaleFactor));
GlState.Instance.ModelMatrix = glm.rotate(GlState.Instance.ModelMatrix, _rotX, new vec3(1, 0, 0));
GlState.Instance.ModelMatrix = glm.rotate(GlState.Instance.ModelMatrix, _rotY, new vec3(0, 1, 0));
GlState.Instance.ModelMatrix = glm.rotate(GlState.Instance.ModelMatrix, _rotZ, new vec3(0, 0, 1));
// Update buffers
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, _vertexBufferObject[0]);
GlBuffer.SetArrayData(gl, null, _pointData.Length * PrimitiveSizes.FloatBytes, OpenGL.GL_STREAM_DRAW);
GlBuffer.SetArraySubData(gl, _pointData, _pointData.Length * PrimitiveSizes.FloatBytes);
// Make model matrix available for drawing
gl.UniformMatrix4(GlState.Instance.ParticleModelMatrixLocation, 1, false, GlState.Instance.ModelMatrix.to_array());
// Set blending for particle system
gl.BlendFunc(OpenGL.GL_ONE, OpenGL.GL_ONE);
gl.DepthFunc(OpenGL.GL_ALWAYS);
// Draw
gl.ActiveTexture(OpenGL.GL_TEXTURE0);
gl.BindTexture(OpenGL.GL_TEXTURE_2D, _texture);
gl.Uniform1(GlState.Instance.ParticleTextureLocation, 0);
gl.BindVertexArray(_vertexArrayObject[0]);
gl.DrawArrays(OpenGL.GL_POINTS, 0, _pointData.Length);
gl.BindVertexArray(0);
gl.BindTexture(OpenGL.GL_TEXTURE_2D, 0);
// Reset depth and blend func
gl.DepthFunc(OpenGL.GL_LESS);
gl.BlendFunc(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA);
GlState.Instance.ModelMatrix = mat4.identity();
// End Draw
}
public void Draw(OpenGL gl, float originX, float originY, float originZ, float[] spectrumData)
{
float initialOffsetX = 0.0f;
if (spectrumData != null)
{
// Reset model matrix
GlState.Instance.ModelMatrix = mat4.identity();
// Consider this as one "item". Start drawing offset -x by half
// This means offset = -(bar count / 2) * (thickness + barspacing)
initialOffsetX = ((spectrumData.Length / 2.0f) * (_cube.Thickness + BarSpacing)) * -1.0f;
// Tranlate to offset - this is where we'll start drawing
GlState.Instance.ModelMatrix = glm.translate(GlState.Instance.ModelMatrix, new vec3(initialOffsetX + originX, originY, originZ));
float offsetX = 0.0f;
// Update vertex data
for (int index = 0; index < BarCount; index++)
{
float pointHeight = spectrumData[index] > 0.0f ? spectrumData[index] : ParticleSystem.NoSpeedModifier;
_positionData[PositionDataLength * index + 0] = offsetX;
_positionData[PositionDataLength * index + 3] = pointHeight;
_colorData[ColorDataLength * index + 0] = _lineColors[index].Item1;
_colorData[ColorDataLength * index + 1] = _lineColors[index].Item2;
_colorData[ColorDataLength * index + 2] = _lineColors[index].Item3;
_colorData[ColorDataLength * index + 3] = 0.8f;
offsetX += _cube.Thickness + BarSpacing;
}
// Push vertex data back in 2D array
int rows = _allPositionDataStructured.GetLength(0);
int cols = _allPositionDataStructured.GetLength(1);
if (_rowDrawStopwatch.ElapsedMilliseconds > RowDrawIntervalMs)
{
if (_rowsToDraw == rows - 1)
{
_rowsToDraw = 0;
}
_rowDrawStopwatch.Restart();
}
for (int row = 0; row < rows - 1; row++)
{
for (int col = 0; col < cols; col++)
{
// Push data back a dimension
_allPositionDataStructured[row + 1, col] = _allPositionDataStructured[row, col];
}
}
// Copying complete - bring new data in
for (int col = 0; col < cols; col++)
{
_allPositionDataStructured[0, col] = _positionData[col];
}
_rowsToDraw++;
// Flatten 2D array
int destFlatIndex = 0;
float zOffset = 0.0f;
for (int row = 0; row < rows; row++)
{
for (int col = 0; col < cols; col++)
{
if (col % PositionDataLength == 2)
{
_allPositionDataStructured[row, col] = zOffset;
}
_allPositionData[destFlatIndex] = _allPositionDataStructured[row, col];
destFlatIndex++;
}
// Move "in" for each row
zOffset -= _cube.Thickness + BarSpacing;
}
// Vertex attribute
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, _vertexBufferObject[0]);
GlBuffer.SetArrayData(gl, _cube.VertexData, _cube.SizeOfVertexDataBytes, OpenGL.GL_STATIC_DRAW);
// PositionAndSize attribute
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, _positionBufferObject[0]);
GlBuffer.SetArrayData(gl, null, _allPositionData.Length * PrimitiveSizes.FloatBytes, OpenGL.GL_STREAM_DRAW);
GlBuffer.SetArraySubData(gl, _allPositionData, _allPositionData.Length * PrimitiveSizes.FloatBytes);
// Color attribute
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, _colorBufferObject[0]);
GlBuffer.SetArrayData(gl, null, _colorData.Length * PrimitiveSizes.FloatBytes, OpenGL.GL_STREAM_DRAW);
GlBuffer.SetArraySubData(gl, _colorData, _colorData.Length * PrimitiveSizes.FloatBytes);
// Make model matrix available for drawing
gl.UniformMatrix4(GlState.Instance.SpectrumModelMatrixLocation, 1, false, GlState.Instance.ModelMatrix.to_array());
// Draw
gl.BindVertexArray(_vertexArrayObject[0]);
gl.DrawArraysInstanced(OpenGL.GL_TRIANGLES, 0, _cube.VertexCount, TotalBarCount);
gl.BindVertexArray(0);
// Done drawing - reset model matrix
GlState.Instance.ModelMatrix = mat4.identity();
}
}
public void Draw(OpenGL gl, float originX, float originY, float originZ, float[] audioData)
{
// Initial offset = half radius
float initialXOffset = originX - (BaseRadius / 2.0f);
for (int index = 0; index < _lineSphere.VertexData.Length / _lineSphere.DataStride; index++)
{
float x = _lineSphere.VertexData[_lineSphere.DataStride * index + 0];
float y = _lineSphere.VertexData[_lineSphere.DataStride * index + 1];
float z = _lineSphere.VertexData[_lineSphere.DataStride * index + 2];
float r = Constants.Colors[_colorIndex, 0];
float g = Constants.Colors[_colorIndex, 1];
float b = Constants.Colors[_colorIndex, 2];
float a = 1.0f;
float size = 0.6f;
_pointData[_point.DataStride * index + 0] = x;
_pointData[_point.DataStride * index + 1] = y;
_pointData[_point.DataStride * index + 2] = z;
_pointData[_point.DataStride * index + 3] = size;
_pointData[_point.DataStride * index + 4] = r;
_pointData[_point.DataStride * index + 5] = g;
_pointData[_point.DataStride * index + 6] = b;
_pointData[_point.DataStride * index + 7] = a;
}
_rotX += IdleRotationSpeed;
_rotY += IdleRotationSpeed;
_rotZ += IdleRotationSpeed;
float scaleFactor = 1.0f + (audioData[0] * 0.1f);
// Begin Draw
GlState.Instance.ModelMatrix = mat4.identity();
GlState.Instance.ModelMatrix = glm.translate(GlState.Instance.ModelMatrix, new vec3(initialXOffset, originY, originZ));
GlState.Instance.ModelMatrix = glm.scale(GlState.Instance.ModelMatrix, new vec3(scaleFactor, scaleFactor, scaleFactor));
GlState.Instance.ModelMatrix = glm.rotate(GlState.Instance.ModelMatrix, _rotX, new vec3(1, 0, 0));
GlState.Instance.ModelMatrix = glm.rotate(GlState.Instance.ModelMatrix, _rotY, new vec3(0, 1, 0));
GlState.Instance.ModelMatrix = glm.rotate(GlState.Instance.ModelMatrix, _rotZ, new vec3(0, 0, 1));
// Update buffers
gl.BindBuffer(OpenGL.GL_ARRAY_BUFFER, _vertexBufferObject[0]);
GlBuffer.SetArrayData(gl, null, _pointData.Length * PrimitiveSizes.FloatBytes, OpenGL.GL_STREAM_DRAW);
GlBuffer.SetArraySubData(gl, _pointData, _pointData.Length * PrimitiveSizes.FloatBytes);
// Make model matrix available for drawing
gl.UniformMatrix4(GlState.Instance.DefaultModelMatrixLocation, 1, false, GlState.Instance.ModelMatrix.to_array());
// Set blending for particle system
gl.BlendFunc(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE);
gl.DepthFunc(OpenGL.GL_ALWAYS);
// Draw
gl.BindVertexArray(_vertexArrayObject[0]);
gl.DrawArrays(OpenGL.GL_LINES, 0, _pointData.Length);
gl.BindVertexArray(0);
// Reset depth and blend func
gl.DepthFunc(OpenGL.GL_LESS);
gl.BlendFunc(OpenGL.GL_SRC_ALPHA, OpenGL.GL_ONE_MINUS_SRC_ALPHA);
GlState.Instance.ModelMatrix = mat4.identity();
// End Draw
}