优化超量素材显示

*微调overlay_buttom最小高度为0.01，不与vField高度相同
* OpenGL图形库限制

Classes/gframe/client_field.cpp

@@ -891,7 +891,7 @@ void ClientField::GetCardLocation(ClientCard* pcard, irr::core::vector3df* t, ir
 	int sequence = pcard->sequence;
 	int location = pcard->location;
 	int rule = (mainGame->dInfo.duel_rule >= 4) ? 1 : 0;
-	const float overlay_buttom = 0.0f;
+	const float overlay_buttom = 0.01f;
 	const float material_height = 0.003f;
 	const float mzone_buttom = 0.020f;
 	switch (location) {

Classes/gframe/materials.cpp

@@ -22,9 +22,9 @@ Materials::Materials() {
 	SetS3DVertex(vActivate, -0.5f, -0.5f, 0.5f, 0.5f, 0, 1, 0, 0, 1, 1);
 	SetS3DVertex(vField, -1.0f, -4.0f, 9.0f, 4.0f, 0, 1, 0, 0, 1, 1);
     SetS3DVertex(vPScale, -0.35f, -0.5, 0.35, 0.5f, 0, 1, 0, 0, 1, 1);//pendulum scale image
-	SetS3DVertex(vFieldSpell, 1.2f, -3.2f, 6.7f, 3.2f, -0.01, 1, 0, 0, 1, 1);
-	SetS3DVertex(vFieldSpell1, 1.2f, 0.8f, 6.7f, 3.2f, -0.01, 1, 0, 0.2f, 1, 0.63636f);
-	SetS3DVertex(vFieldSpell2, 1.2f, -3.2f, 6.7f, -0.8f, -0.01, 1, 1, 0.63636f, 0, 0.2f);//better fieldspell showing
+	SetS3DVertex(vFieldSpell, 1.2f, -3.2f, 6.7f, 3.2f, -0.01f, 1, 0, 0, 1, 1);
+	SetS3DVertex(vFieldSpell1, 1.2f, 0.8f, 6.7f, 3.2f, -0.01f, 1, 0, 0.2f, 1, 0.63636f);
+	SetS3DVertex(vFieldSpell2, 1.2f, -3.2f, 6.7f, -0.8f, -0.01f, 1, 1, 0.63636f, 0, 0.2f);//better fieldspell showing
 	SetS3DVertex(vTotalAtkme, 0.5f, 1.3f, 1.5f, 2, 1, 1, 0, 0, 1, 1);
 	SetS3DVertex(vTotalAtkop, 6.4f, -0.1f, 7.4f, 0.65f, 1, 1, 0, 0, 1, 1);
 	SetS3DVertex(vTotalAtkmeT, 2.5f, 0.95f, 3.5f, 1.65f, 1, 1, 0, 0, 1, 1);