private void renderGrass()
{
int l = grassData.Length;
sp.use();
GL.Disable(EnableCap.CullFace);
GL.Uniform3(sp.Uniforms["lightdir"], sunLightDir);
GL.Uniform1(sp.Uniforms["lightstr"], 1f);
GL.Uniform3(sp.Uniforms["slices"], slices);
GL.Uniform4(sp.Uniforms["ambient"], new Vector4(0.1f, 0.1f, 0.1f, 1f));
GL.ActiveTexture(TextureUnit.Texture0);
grassTexture.bind();
GL.Uniform1(sp.Uniforms["modelTexture"], 0);
GL.ActiveTexture(TextureUnit.Texture1);
GL.BindTexture(TextureTarget.Texture2DArray, depthTextureArray);
GL.Uniform1(sp.Uniforms["shadowmap"], 1);
for (int i = 0; i < l; i++)
{
Matrix4 m = Matrix4.CreateTranslation(grassData[i]);
Matrix4 mvp = m * view * projection;
GL.UniformMatrix4(sp.Uniforms["modelViewProjection"], false, ref mvp);
GL.UniformMatrix4(sp.Uniforms["model"], false, ref m);
Matrix4 shadowMat0 = (m * depthView * depthProjection) * bias;
GL.UniformMatrix4(sp.Uniforms["shadowMat0"], false, ref shadowMat0);
grassModel.draw();
}
GL.UseProgram(0);
GL.Enable(EnableCap.CullFace);
}
public Scene(int wdh, int hgt)
{
width = wdh;
height = hgt;
initGL();
load();
initObjects();
//init matrices
view = Matrix4.LookAt(new Vector3(0, 1.75f, 1.75f), new Vector3(0, 1.5f, 0), Vector3.UnitY);
projection = Matrix4.CreatePerspectiveFieldOfView(MathHelper.DegreesToRadians(75), wdh / hgt, 0.1f, 300.0f);
depthProjection = Matrix4.CreateOrthographicOffCenter(-30, 30, -30, 30, -30, 100);
depthView = Matrix4.LookAt(sunLightSrc, sunLightSrc + sunLightDir, Vector3.UnitY);
psvp = Matrix4.CreateOrthographic(1, 1, -5, 5);
//load shader
sp = BasicShader.create("Data/Shader/basic.v", "Data/Shader/basic.f");
sp.addUniform("modelTexture");
sp.addUniform("shadowmap");
sp.addUniform("lightdir");
sp.addUniform("lightstr");
sp.addUniform("ambient");
sp.addUniform("modelViewProjection");
sp.addUniform("model");
//sp.addUniform("view");
sp.addUniform("bias");
//sp.addUniform("projection");
sp.addUniform("shadowMat0");
sp.addUniform("shadowMat1");
sp.addUniform("shadowMat2");
sp.addUniform("slices");
sp.use();
GL.UniformMatrix4(sp.Uniforms["bias"], false, ref bias);
GL.UseProgram(0);
depthShader = BasicShader.create("Data/Shader/depthShader.v", "Data/Shader/depthShader.f");
depthShader.addUniform("model");
depthShader.addUniform("view");
depthShader.addUniform("projection");
depthShader.addUniform("modelTexture");
ps = BasicShader.create("Data/Shader/ps.v", "Data/Shader/ps.f");
ps.addUniform("tex");
ps.addUniform("texZ");
bs = BasicShader.create("Data/Shader/basicShader.v", "Data/Shader/basicShader.f");
bs.addUniform("mvp");
}
private void renderGrassDepth()
{
int l = grassData.Length;
depthShader.use();
GL.FramebufferTextureLayer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthAttachment, depthTextureArray, 0, 0);
//Matrix4 mvp = (projection * view * so.ObjectMatrix);
//GL.UniformMatrix4(depthShader.Uniforms["modelViewProjection"], false, ref mvp);
GL.ActiveTexture(TextureUnit.Texture0);
grassTexture.bind();
for (int i = 0; i < l; i++)
{
Matrix4 m = Matrix4.CreateTranslation(grassData[i]);
GL.UniformMatrix4(depthShader.Uniforms["model"], false, ref m);
GL.UniformMatrix4(depthShader.Uniforms["view"], false, ref depthView);
GL.UniformMatrix4(depthShader.Uniforms["projection"], false, ref depthProjection);
grassModel.draw();
}
GL.UseProgram(0);
}
private void renderGui()
{
bs.use();
GL.ActiveTexture(TextureUnit.Texture0);
textures.get("tachometer").bind();
Matrix4 mvp = Matrix4.Identity *
Matrix4.Scale(0.2f) *
Matrix4.CreateTranslation(-0.8f, -0.8f, 0f) *
Matrix4.LookAt(Vector3.UnitZ, -Vector3.UnitZ, Vector3.UnitY) *
Matrix4.CreateOrthographicOffCenter(-1, 1, -1, 1, 0.01f, 10.0f);
GL.UniformMatrix4(bs.Uniforms["mvp"], false, ref mvp);
models.get("tachometer").draw();
GL.ActiveTexture(TextureUnit.Texture0);
textures.get("tachometer|").bind();
mvp = Matrix4.Identity *
Matrix4.Scale(0.2f) *
Matrix4.CreateRotationZ(MathHelper.DegreesToRadians(((270 / 120) * -(v * 3.6f)) + 135)) *
Matrix4.CreateTranslation(-0.8f, -0.8f, 0f) *
Matrix4.LookAt(Vector3.UnitZ, -Vector3.UnitZ, Vector3.UnitY) *
Matrix4.CreateOrthographicOffCenter(-1, 1, -1, 1, 0.01f, 10.0f);
GL.UniformMatrix4(bs.Uniforms["mvp"], false, ref mvp);
models.get("tachometer|").draw();
GL.UseProgram(0);
//Debug---------------------------------------------------------------------------------------------------------------
#if DEBUG
ps.use();
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.Texture2DArray, depthTextureArray);
GL.Uniform1(ps.Uniforms["tex"], 0);
GL.Uniform1(ps.Uniforms["texZ"], depthMode);
models.get("plane").draw();
GL.UseProgram(0);
#endif
}
public Scene(int wdh, int hgt)
{
width = wdh;
height = hgt;
initGL();
load();
initObjects();
//init matrices
view = Matrix4.LookAt(new Vector3(0, 1.75f, 1.75f), new Vector3(0, 1.5f, 0), Vector3.UnitY);
projection = Matrix4.CreatePerspectiveFieldOfView(MathHelper.DegreesToRadians(75), wdh / hgt, 0.1f, 300.0f);
depthProjection = Matrix4.CreateOrthographicOffCenter(-30, 30, -30, 30, -30, 100);
depthView = Matrix4.LookAt(sunLightSrc, sunLightSrc + sunLightDir, Vector3.UnitY);
psvp = Matrix4.CreateOrthographic(1, 1, -5, 5);
//load shader
sp = BasicShader.create("Data/Shader/basic.v", "Data/Shader/basic.f");
sp.addUniform("modelTexture");
sp.addUniform("shadowmap");
sp.addUniform("lightdir");
sp.addUniform("lightstr");
sp.addUniform("ambient");
sp.addUniform("modelViewProjection");
sp.addUniform("model");
//sp.addUniform("view");
sp.addUniform("bias");
//sp.addUniform("projection");
sp.addUniform("shadowMat0");
sp.addUniform("shadowMat1");
sp.addUniform("shadowMat2");
sp.addUniform("slices");
sp.use();
GL.UniformMatrix4(sp.Uniforms["bias"], false, ref bias);
GL.UseProgram(0);
depthShader = BasicShader.create("Data/Shader/depthShader.v", "Data/Shader/depthShader.f");
depthShader.addUniform("model");
depthShader.addUniform("view");
depthShader.addUniform("projection");
depthShader.addUniform("modelTexture");
ps = BasicShader.create("Data/Shader/ps.v", "Data/Shader/ps.f");
ps.addUniform("tex");
ps.addUniform("texZ");
bs = BasicShader.create("Data/Shader/basicShader.v", "Data/Shader/basicShader.f");
bs.addUniform("mvp");
}