public void setVecS(Vec3 p) {
float th = p.Theta();
float ph = p.Phi();
float len = p.Norm();
vecS = new Yajirushi3DFixedR(len, 1.2f, 10, 0f, 0f, 1f, 1f, true);
vecS.translatePts(new Vec3(0, 0, len * 0.5f));
vecS.setThetaPhi(th, ph);
}
@Override
protected void drawContent(GL10 gl) {
vecE.draw(gl);
vecS.draw(gl);
Vec3 vecSv = new Vec3(vecS.vec());
float SS = vecSv.Norm();
vecSv.normalize(); // とりあえず長さを1に。
float vSt = vecSv.Theta() + (float) (Math.PI * 0.5);
float vSp = vecSv.Phi();
Vec3 vecS1 =
new Vec3(
FloatMath.sin(vSt) * FloatMath.cos(vSp),
FloatMath.sin(vSt) * FloatMath.sin(vSp),
FloatMath.cos(vSt));
Vec3 vecS2 = vecS1.Cross(vecSv);
vecS1.mul(SS); // 長さを100に。
vecS2.mul(SS); // 長さを100に。
float tt = t - FloatMath.floor(t);
float vEx = vecE.vec().X() * tt;
float vEy = vecE.vec().Y() * tt;
float vEz = vecE.vec().Z() * tt;
Vec3 vE = new Vec3(vEx, vEy, vEz);
int i;
for (i = 0; i < 200; i++) {
s[i].setPos(vE);
s[i].draw(gl);
}
vertices = new float[12];
vertices[0] = 0f;
vertices[1] = 0f;
vertices[2] = 0f;
vertices[3] = vecS1.X();
vertices[4] = vecS1.Y();
vertices[5] = vecS1.Z();
vertices[6] = vecS2.X();
vertices[7] = vecS2.Y();
vertices[8] = vecS2.Z();
vertices[9] = vecS1.X() + vecS2.X();
vertices[10] = vecS1.Y() + vecS2.Y();
vertices[11] = vecS1.Z() + vecS2.Z();
ByteBuffer vbb3 = ByteBuffer.allocateDirect(vertices.length * 4);
vbb3.order(ByteOrder.nativeOrder());
vBuffer = vbb3.asFloatBuffer();
vBuffer.put(vertices);
vBuffer.position(0);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vBuffer);
gl.glBlendFunc(GL10.GL_ALPHA_BITS, GL10.GL_ONE_MINUS_SRC_ALPHA);
gl.glColor4f(1f, 1f, 1f, 0.8f);
gl.glNormal3f(-vecSv.X(), -vecSv.Y(), -vecSv.Z());
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);
vertices2 = new float[12];
vertices2[0] = vEx;
vertices2[1] = vEy;
vertices2[2] = vEz;
vertices2[3] = vertices[3] + vEx;
vertices2[4] = vertices[4] + vEy;
vertices2[5] = vertices[5] + vEz;
vertices2[6] = vertices[6] + vEx;
vertices2[7] = vertices[7] + vEy;
vertices2[8] = vertices[8] + vEz;
vertices2[9] = vertices[9] + vEx;
vertices2[10] = vertices[10] + vEy;
vertices2[11] = vertices[11] + vEz;
ByteBuffer vbb4 = ByteBuffer.allocateDirect(vertices2.length * 4);
vbb4.order(ByteOrder.nativeOrder());
vBuffer = vbb4.asFloatBuffer();
vBuffer.put(vertices2);
vBuffer.position(0);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vBuffer);
gl.glBlendFunc(GL10.GL_ALPHA_BITS, GL10.GL_ONE_MINUS_SRC_ALPHA);
gl.glColor4f(1f, 1f, 1f, 0.8f);
gl.glNormal3f(vecSv.X(), vecSv.Y(), vecSv.Z());
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);
vertices3 = new float[12];
vertices3[0] = vertices[0];
vertices3[1] = vertices[1];
vertices3[2] = vertices[2];
vertices3[3] = vertices2[0];
vertices3[4] = vertices2[1];
vertices3[5] = vertices2[2];
vertices3[6] = vertices[6];
vertices3[7] = vertices[7];
vertices3[8] = vertices[8];
vertices3[9] = vertices2[6];
vertices3[10] = vertices2[7];
vertices3[11] = vertices2[8];
ByteBuffer vbb5 = ByteBuffer.allocateDirect(vertices3.length * 4);
vbb5.order(ByteOrder.nativeOrder());
vBuffer = vbb5.asFloatBuffer();
vBuffer.put(vertices3);
vBuffer.position(0);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vBuffer);
gl.glBlendFunc(GL10.GL_ALPHA_BITS, GL10.GL_ONE_MINUS_SRC_ALPHA);
gl.glColor4f(1f, 0.9f, 0f, 0.4f);
gl.glNormal3f(vecSv.X(), vecSv.Y(), vecSv.Z());
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);
vertices3[0] = vertices[0];
vertices3[1] = vertices[1];
vertices3[2] = vertices[2];
vertices3[3] = vertices2[0];
vertices3[4] = vertices2[1];
vertices3[5] = vertices2[2];
vertices3[6] = vertices[3];
vertices3[7] = vertices[4];
vertices3[8] = vertices[5];
vertices3[9] = vertices2[3];
vertices3[10] = vertices2[4];
vertices3[11] = vertices2[5];
ByteBuffer vbb6 = ByteBuffer.allocateDirect(vertices3.length * 4);
vbb6.order(ByteOrder.nativeOrder());
vBuffer = vbb6.asFloatBuffer();
vBuffer.put(vertices3);
vBuffer.position(0);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vBuffer);
gl.glBlendFunc(GL10.GL_ALPHA_BITS, GL10.GL_ONE_MINUS_SRC_ALPHA);
gl.glColor4f(0.9f, 1f, 0f, 0.4f);
gl.glNormal3f(vecSv.X(), vecSv.Y(), vecSv.Z());
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);
vertices3[0] = vertices[9];
vertices3[1] = vertices[10];
vertices3[2] = vertices[11];
vertices3[3] = vertices2[9];
vertices3[4] = vertices2[10];
vertices3[5] = vertices2[11];
vertices3[6] = vertices[3];
vertices3[7] = vertices[4];
vertices3[8] = vertices[5];
vertices3[9] = vertices2[3];
vertices3[10] = vertices2[4];
vertices3[11] = vertices2[5];
ByteBuffer vbb7 = ByteBuffer.allocateDirect(vertices3.length * 4);
vbb7.order(ByteOrder.nativeOrder());
vBuffer = vbb7.asFloatBuffer();
vBuffer.put(vertices3);
vBuffer.position(0);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vBuffer);
gl.glBlendFunc(GL10.GL_ALPHA_BITS, GL10.GL_ONE_MINUS_SRC_ALPHA);
gl.glColor4f(1f, 1f, 0f, 0.4f);
gl.glNormal3f(vecSv.X(), vecSv.Y(), vecSv.Z());
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);
vertices3[0] = vertices[9];
vertices3[1] = vertices[10];
vertices3[2] = vertices[11];
vertices3[3] = vertices2[9];
vertices3[4] = vertices2[10];
vertices3[5] = vertices2[11];
vertices3[6] = vertices[6];
vertices3[7] = vertices[7];
vertices3[8] = vertices[8];
vertices3[9] = vertices2[6];
vertices3[10] = vertices2[7];
vertices3[11] = vertices2[8];
ByteBuffer vbb8 = ByteBuffer.allocateDirect(vertices3.length * 4);
vbb8.order(ByteOrder.nativeOrder());
vBuffer = vbb8.asFloatBuffer();
vBuffer.put(vertices3);
vBuffer.position(0);
gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
gl.glVertexPointer(3, GL10.GL_FLOAT, 0, vBuffer);
gl.glBlendFunc(GL10.GL_ALPHA_BITS, GL10.GL_ONE_MINUS_SRC_ALPHA);
gl.glColor4f(0.9f, 0.9f, 0f, 0.4f);
gl.glNormal3f(vecSv.X(), vecSv.Y(), vecSv.Z());
gl.glDrawArrays(GL10.GL_TRIANGLE_STRIP, 0, 4);
}