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bump mapping - cube mesh with tangent and binormal

This commit is contained in:
Vadim Lopatin 2016-04-06 11:18:15 +03:00
parent 31f2c79271
commit ca71fe2e54
2 changed files with 29 additions and 9 deletions
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11
examples/d3d/src/d3d.d
View File

@ -121,8 +121,8 @@ class UiWidget : VerticalLayout, CellVisitor {
//dirLightNode.rotateX(20);
dirLightNode.translateX(2);
dirLightNode.translateY(3);
dirLightNode.translateZ(3);
dirLightNode.light = Light.createPoint(vec3(1, 0.5, 0.5), 15); //Light.createDirectional(vec3(1, 0.5, 0.5));
dirLightNode.translateZ(0);
dirLightNode.light = Light.createPoint(vec3(3, 3, 3), 15); //Light.createDirectional(vec3(1, 0.5, 0.5));
//dirLightNode.light = Light.createDirectional(vec3(1, 0.5, 0.8));
dirLightNode.light.enabled = true;
_scene.addChild(dirLightNode);
@ -166,12 +166,12 @@ class UiWidget : VerticalLayout, CellVisitor {
//suzanneMaterial.specular = true;
Model suzanneDrawable = new Model(suzanneMaterial, importer.mesh);
suzanneNode = new Node3d("suzanne", suzanneDrawable);
suzanneNode.translate(vec3(2, 3, -5));
suzanneNode.translate(vec3(2, 2, -5));
_scene.addChild(suzanneNode);
brickNode = new Node3d("brick");
brickNode.translate(vec3(-2, 3, -3));
brickNode.translate(vec3(-2, 2, -3));
Mesh brickMesh = Mesh.createCubeMesh(vec3(0, 0, 0), 0.8, vec4(0.8, 0.8, 0.8, 1));
Material brickMaterial = new Material(EffectId("textured.vert", "textured.frag", null), "brick", "brickn"); // with bump mapping
brickNode.drawable = new Model(brickMaterial, brickMesh);
@ -291,6 +291,9 @@ class UiWidget : VerticalLayout, CellVisitor {
angle += interval * 0.000002f;
invalidate();
suzanneNode.rotateY(interval * 0.000002f);
brickNode.rotateY(interval * 0.00000123f);
brickNode.rotateZ(interval * 0.0000004123f);
brickNode.rotateX(interval * 0.0000007543f);
}
float angle = 0;

27
src/dlangui/graphics/scene/mesh.d
View File

@ -481,10 +481,27 @@ class Mesh : RefCountedObject {
private void addQuad(ref vec3 v0, ref vec3 v1, ref vec3 v2, ref vec3 v3, ref vec4 color) {
ushort startVertex = cast(ushort)vertexCount;
addVertex([v0.x, v0.y, v0.z, color.r, color.g, color.b, color.a, 0, 0]);
addVertex([v1.x, v1.y, v1.z, color.r, color.g, color.b, color.a, 1, 0]);
addVertex([v2.x, v2.y, v2.z, color.r, color.g, color.b, color.a, 1, 1]);
addVertex([v3.x, v3.y, v3.z, color.r, color.g, color.b, color.a, 0, 1]);
if (hasElement(VertexElementType.NORMAL)) {
vec3 normal = vec3.crossProduct((v1 - v0), (v3 - v0)).normalized;
if (hasElement(VertexElementType.TANGENT)) {
vec3 tangent = (v1 - v0).normalized;
vec3 binormal = (v3 - v0).normalized;
addVertex([v0.x, v0.y, v0.z, color.r, color.g, color.b, color.a, 0, 0, normal.x, normal.y, normal.z, tangent.x, tangent.y, tangent.z, binormal.x, binormal.y, binormal.z]);
addVertex([v1.x, v1.y, v1.z, color.r, color.g, color.b, color.a, 1, 0, normal.x, normal.y, normal.z, tangent.x, tangent.y, tangent.z, binormal.x, binormal.y, binormal.z]);
addVertex([v2.x, v2.y, v2.z, color.r, color.g, color.b, color.a, 1, 1, normal.x, normal.y, normal.z, tangent.x, tangent.y, tangent.z, binormal.x, binormal.y, binormal.z]);
addVertex([v3.x, v3.y, v3.z, color.r, color.g, color.b, color.a, 0, 1, normal.x, normal.y, normal.z, tangent.x, tangent.y, tangent.z, binormal.x, binormal.y, binormal.z]);
} else {
addVertex([v0.x, v0.y, v0.z, color.r, color.g, color.b, color.a, 0, 0, normal.x, normal.y, normal.z]);
addVertex([v1.x, v1.y, v1.z, color.r, color.g, color.b, color.a, 1, 0, normal.x, normal.y, normal.z]);
addVertex([v2.x, v2.y, v2.z, color.r, color.g, color.b, color.a, 1, 1, normal.x, normal.y, normal.z]);
addVertex([v3.x, v3.y, v3.z, color.r, color.g, color.b, color.a, 0, 1, normal.x, normal.y, normal.z]);
}
} else {
addVertex([v0.x, v0.y, v0.z, color.r, color.g, color.b, color.a, 0, 0]);
addVertex([v1.x, v1.y, v1.z, color.r, color.g, color.b, color.a, 1, 0]);
addVertex([v2.x, v2.y, v2.z, color.r, color.g, color.b, color.a, 1, 1]);
addVertex([v3.x, v3.y, v3.z, color.r, color.g, color.b, color.a, 0, 1]);
}
addPart(PrimitiveType.triangles, [
cast(ushort)(startVertex + 0),
cast(ushort)(startVertex + 1),
@ -513,7 +530,7 @@ class Mesh : RefCountedObject {
static Mesh createCubeMesh(vec3 pos, float d=1, vec4 color = vec4(1,1,1,1)) {
Mesh mesh = new Mesh(VertexFormat(VertexElementType.POSITION, VertexElementType.COLOR, VertexElementType.TEXCOORD0
//, VertexElementType.TANGENT, VertexElementType.BINORMAL
, VertexElementType.NORMAL, VertexElementType.TANGENT, VertexElementType.BINORMAL
));
mesh.addCubeMesh(pos, d, color);
return mesh;