public Sun(Game game, Landscape landscape)
{
this.landscape = landscape;
this.terrain = landscape.Terrain;
float sunsize = terrain.max / 4;
numberUpdates = 80f;
frontBottomLeftNormal = new Vector3(-0.333f, -0.333f,-0.333f);
frontTopLeftNormal = new Vector3(-0.333f, 0.333f, -0.333f);
frontTopRightNormal = new Vector3(0.333f, 0.333f, -0.333f);
frontBottomRightNormal = new Vector3(0.333f,-0.333f, -0.333f);
backBottomLeftNormal = new Vector3(-0.333f, -0.333f, 0.333f);
backBottomRightNormal = new Vector3(0.333f, -0.333f, 0.333f);
backTopLeftNormal = new Vector3(-0.333f,0.333f,0.333f);
backTopRightNormal = new Vector3(0.333f, 0.333f , 0.333f);
float sunX, sunY, sunZ, sunOffset;
sunX = terrain.size; sunY = terrain.maxHeight + 10f; sunZ = terrain.size/2; sunOffset = 40f;
frontBottomLeft = new Vector3(sunX-sunOffset, sunY - sunOffset, sunZ-sunOffset);
frontTopLeft = new Vector3(sunX-sunOffset, sunY + sunOffset, sunZ-sunOffset);
frontTopRight = new Vector3(sunX + sunOffset, sunY + sunOffset, sunZ-sunOffset);
frontBottomRight = new Vector3(sunX + sunOffset, sunY - sunOffset, sunZ-sunOffset);
backBottomLeft = new Vector3(sunX-sunOffset, sunY - sunOffset, sunZ + sunOffset);
backBottomRight = new Vector3(sunX + sunOffset, sunY - sunOffset, sunZ + sunOffset);
backTopLeft = new Vector3(sunX-sunOffset, sunY + sunOffset, sunZ + sunOffset);
backTopRight = new Vector3(sunX + sunOffset, sunY + sunOffset, sunZ + sunOffset);
vertices = Buffer.Vertex.New(
game.GraphicsDevice,
new[]
{
new VertexPositionNormalColor(frontBottomLeft, frontBottomLeftNormal, Color.Yellow), // Front
new VertexPositionNormalColor(frontTopLeft, frontTopLeftNormal, Color.Yellow),
new VertexPositionNormalColor(frontTopRight, frontTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomLeft, frontBottomLeftNormal, Color.Yellow),
new VertexPositionNormalColor(frontTopRight, frontTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomRight, frontBottomRightNormal, Color.Yellow),
new VertexPositionNormalColor(backBottomLeft, backBottomLeftNormal, Color.Yellow), // BACK
new VertexPositionNormalColor(backTopRight, backTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(backTopLeft, backTopLeftNormal, Color.Yellow),
new VertexPositionNormalColor(backBottomLeft, backBottomLeftNormal, Color.Yellow),
new VertexPositionNormalColor(backBottomRight, backBottomRightNormal, Color.Yellow),
new VertexPositionNormalColor(backTopRight, backTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontTopLeft, frontTopLeftNormal, Color.Yellow), // Top
new VertexPositionNormalColor(backTopLeft, backTopLeftNormal, Color.Yellow),
new VertexPositionNormalColor(backTopRight, backTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontTopLeft, frontTopLeftNormal, Color.Yellow),
new VertexPositionNormalColor(backTopRight, backTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontTopRight, frontTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomLeft, frontBottomLeftNormal, Color.Yellow), // Bottom
new VertexPositionNormalColor(backBottomRight, backBottomRightNormal, Color.Yellow),
new VertexPositionNormalColor(backBottomLeft, backBottomLeftNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomLeft, frontBottomLeftNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomRight, frontBottomRightNormal, Color.Yellow),
new VertexPositionNormalColor(backBottomRight, backBottomRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomLeft, frontBottomLeftNormal, Color.Yellow), // Left
new VertexPositionNormalColor(backBottomLeft, backBottomLeftNormal, Color.Yellow),
new VertexPositionNormalColor(backTopLeft, backTopLeftNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomLeft, frontBottomLeftNormal, Color.Yellow),
new VertexPositionNormalColor(backTopLeft, backTopLeftNormal, Color.Yellow),
new VertexPositionNormalColor(frontTopLeft, frontTopLeftNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomRight, frontBottomRightNormal, Color.Yellow), // Right
new VertexPositionNormalColor(backTopRight, backTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(backBottomRight, backBottomRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontBottomRight, frontBottomRightNormal, Color.Yellow),
new VertexPositionNormalColor(frontTopRight, frontTopRightNormal, Color.Yellow),
new VertexPositionNormalColor(backTopRight, backTopRightNormal, Color.Yellow),
});
basicEffect = new BasicEffect(game.GraphicsDevice)
{
VertexColorEnabled = true,
View = Matrix.LookAtLH(landscape.currentPosition, landscape.currentTarget, landscape.currentUp),
Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)game.GraphicsDevice.BackBuffer.Width / game.GraphicsDevice.BackBuffer.Height, -10.0f, (float)terrain.size * 2),
World = Matrix.Identity,
};
inputLayout = VertexInputLayout.FromBuffer(0, vertices);
this.game = game;
}
public Landscape(Game game)
{
Terrain = new HeightMap(10);
terrain3D = new VertexPositionNormalColor[Terrain.max * Terrain.max * 6 + 12];
int index = 0;
for (int z = 0; z < Terrain.max; z++)
{
for (int x = 0; x < Terrain.max; x++)
{
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x,z), z), Terrain.getVertexNormal(x,z) , Terrain.getColor(x,z));
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x, z + 1), z + 1), Terrain.getVertexNormal(x, z + 1), Terrain.getColor(x, z+1));
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z + 1), z + 1), Terrain.getVertexNormal(x + 1, z + 1), Terrain.getColor(x+1, z+1));
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x, Terrain.get(x, z), z), Terrain.getVertexNormal(x, z), Terrain.getColor(x, z));
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z + 1), z + 1), Terrain.getVertexNormal(x + 1, z + 1), Terrain.getColor(x+1, z+1));
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(x + 1, Terrain.get(x + 1, z), z), Terrain.getVertexNormal(x + 1, z), Terrain.getColor(x+1, z));
index++;
}
}
Color blue = Color.MidnightBlue;
blue.A = 0xC0;
waterHeight = 0.695f * Terrain.maxHeight;
//Set Water Polygons
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
//water from the bottom
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front left.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(0.0f, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Front right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, 0.0f), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
// Back right.
terrain3D[index] = new VertexPositionNormalColor(new Vector3(Terrain.max, waterHeight, Terrain.max), new Vector3(0.0f, 1.0f, 0.0f), blue);
index++;
//initialized here because I wanted the terrain details to place the initial position/target.
currentPosition = new Vector3(0.0f, Terrain.maxHeight, 0.0f); //start on corner of map at highest point of terrain
currentTarget = new Vector3(Terrain.max, Terrain.maxHeight, Terrain.max); //looking across to other corner (same height)
currentUp = Vector3.UnitY;
prevMouseX = 0.5f;
prevMouseY = 0.5f;
vertices = Buffer.Vertex.New(game.GraphicsDevice, terrain3D);
basicEffect = new BasicEffect(game.GraphicsDevice)
{
VertexColorEnabled = true,
View = Matrix.LookAtLH(currentPosition, currentTarget, currentUp),
Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, (float)game.GraphicsDevice.BackBuffer.Width / game.GraphicsDevice.BackBuffer.Height, -10.0f, (float)Terrain.size * 2),
World = Matrix.Identity,
LightingEnabled = true
};
inputLayout = VertexInputLayout.FromBuffer(0, vertices);
basicEffect.EnableDefaultLighting();
basicEffect.AmbientLightColor = new Vector3(.1f * 255/255, .1f * 244/255, .1f * 229/255);
this.game = game;
}
