public ParticleRenderer(ParticleSystem particleSystem, VrfGuiContext vrfGuiContext)
{
this.particleSystem = particleSystem;
childParticleRenderers = new List <ParticleRenderer>();
this.vrfGuiContext = vrfGuiContext;
particles = new List <Particle>();
SetupEmitters(particleSystem.GetData(), particleSystem.GetEmitters());
SetupInitializers(particleSystem.GetInitializers());
SetupOperators(particleSystem.GetOperators());
SetupRenderers(particleSystem.GetRenderers());
SetupChildParticles(particleSystem.GetChildParticleNames(true));
Start();
}
// TODO: Passing in position here was for testing, do it properly
public ParticleRenderer(ParticleSystem particleSystem, VrfGuiContext vrfGuiContext, Vector3 pos = default)
{
childParticleRenderers = new List <ParticleRenderer>();
this.vrfGuiContext = vrfGuiContext;
particles = new List <Particle>();
systemRenderState = new ParticleSystemRenderState();
systemRenderState.SetControlPoint(0, pos);
SetupEmitters(particleSystem.GetData(), particleSystem.GetEmitters());
SetupInitializers(particleSystem.GetInitializers());
SetupOperators(particleSystem.GetOperators());
SetupRenderers(particleSystem.GetRenderers());
SetupChildParticles(particleSystem.GetChildParticleNames(true));
Start();
}
public ParticleGrid(float cellWidth, int gridWidthInCells, VrfGuiContext guiContext)
{
BoundingBox = new AABB(
new Vector3(-cellWidth * 0.5f * gridWidthInCells, -cellWidth * 0.5f * gridWidthInCells, 0),
new Vector3(cellWidth * 0.5f * gridWidthInCells, cellWidth * 0.5f * gridWidthInCells, 0));
var vertices = GenerateGridVertexBuffer(cellWidth, gridWidthInCells);
vertexCount = vertices.Length / 3; // Number of vertices in our buffer
const int stride = sizeof(float) * 7;
shader = guiContext.ShaderLoader.LoadShader("vrf.grid", new Dictionary <string, bool>());
GL.UseProgram(shader.Program);
// Create and bind VAO
vao = GL.GenVertexArray();
GL.BindVertexArray(vao);
var vbo = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, vbo);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.StaticDraw);
GL.EnableVertexAttribArray(0);
var positionAttributeLocation = GL.GetAttribLocation(shader.Program, "aVertexPosition");
GL.EnableVertexAttribArray(positionAttributeLocation);
GL.VertexAttribPointer(positionAttributeLocation, 3, VertexAttribPointerType.Float, false, stride, 0);
var colorAttributeLocation = GL.GetAttribLocation(shader.Program, "aVertexColor");
GL.EnableVertexAttribArray(colorAttributeLocation);
GL.VertexAttribPointer(colorAttributeLocation, 4, VertexAttribPointerType.Float, false, stride, sizeof(float) * 3);
GL.BindVertexArray(0); // Unbind VAO
GL.UseProgram(0);
}
public static bool TryCreateRender(string name, IKeyValueCollection rendererInfo, VrfGuiContext vrfGuiContext, out IParticleRenderer renderer)
{
if (RendererDictionary.TryGetValue(name, out var factory))
{
renderer = factory(rendererInfo, vrfGuiContext);
return(true);
}
renderer = default;
return(false);
}