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/*
* $Id: Field.d,v 1.4 2004/01/01 11:26:41 kenta Exp $
*
* Copyright 2003 Kenta Cho. All rights reserved.
*/
module abagames.p47.Field;
private:
import std.math;
import opengl;
import abagames.util.Vector;
import abagames.util.sdl.Screen3D;
import abagames.p47.P47Screen;
import abagames.p47.P47GameManager;
/**
* Stage field.
*/
public class Field {
public:
static const int TYPE_NUM = 4;
Vector size;
float eyeZ;
float aimZ;
float aimSpeed;
private:
static int displayListIdx;
static const int RING_NUM = 16;
static const float RING_ANGLE_INT = 10;
float roll, yaw;
float z;
float speed;
float yawYBase, yawZBase;
float aimYawYBase, aimYawZBase;
float r, g, b;
public void init() {
size = new Vector;
size.x = 11;
size.y = 16;
eyeZ = 20;
roll = yaw = 0;
z = aimZ = 10;
speed = aimSpeed = 0.1;
yawYBase = yawZBase = 0;
}
public void setColor(int mode) {
switch (mode){ default: break;
case P47GameManager.ROLL:
r = 0.2;
g = 0.2;
b = 0.7;
break;
case P47GameManager.LOCK:
r = 0.5;
g = 0.3;
b = 0.6;
break;
}
}
public void move() {
roll += speed;
if (roll >= RING_ANGLE_INT)
roll -= RING_ANGLE_INT;
yaw += speed;
z += (aimZ - z) * 0.003;
speed += (aimSpeed - speed) * 0.004;
yawYBase += (aimYawYBase - yawYBase) * 0.002;
yawZBase += (aimYawZBase - yawZBase) * 0.002;
}
public void setType(int type) {
switch (type) { default: break;
case 0:
aimYawYBase = 30;
aimYawZBase = 0;
break;
case 1:
aimYawYBase = 0;
aimYawZBase = 20;
break;
case 2:
aimYawYBase = 50;
aimYawZBase = 10;
break;
case 3:
aimYawYBase = 10;
aimYawZBase = 30;
break;
}
}
public void draw() {
Screen3D.setColor(r, g, b, 0.7);
float d = -RING_NUM * RING_ANGLE_INT / 2 + roll;
for (int i = 0; i < RING_NUM; i++) {
for (int j = 1; j < 8; j++) {
float sc = cast(float) j / 16 + 0.5;
glPushMatrix();
glTranslatef(0, 0, z);
glRotatef(d, 1, 0, 0);
glRotatef(sin(yaw / 180 * PI) * yawYBase, 0, 1, 0);
glRotatef(sin(yaw / 180 * PI) * yawZBase, 0, 0, 1);
glScalef(1, 1, sc);
glCallList(displayListIdx);
glPopMatrix();
}
d += RING_ANGLE_INT;
}
}
public bool checkHit(Vector p) {
if (p.x < -size.x || p.x > size.x || p.y < -size.y || p.y > size.y)
return true;
return false;
}
public bool checkHit(Vector p, float space) {
if (p.x < -size.x + space || p.x > size.x - space ||
p.y < -size.y + space || p.y > size.y - space)
return true;
return false;
}
private static const int RING_POS_NUM = 16;
private static Vector ringPos[RING_POS_NUM];
private static const float RING_DEG = std.math.PI / 3 / (cast(float) (RING_POS_NUM / 2) + 0.5);
private static const float RING_RADIUS = 10;
private static const float RING_SIZE = 0.5;
private static void writeOneRing() {
glBegin(GL_LINE_STRIP);
for (int i = 0; i <= RING_POS_NUM / 2 - 2; i++) {
glVertex3f(ringPos[i].x, RING_SIZE, ringPos[i].y);
}
for (int i = RING_POS_NUM / 2 - 2; i >= 0; i--) {
glVertex3f(ringPos[i].x, -RING_SIZE, ringPos[i].y);
}
glVertex3f(ringPos[0].x, RING_SIZE, ringPos[0].y);
glEnd();
glBegin(GL_LINE_STRIP);
glVertex3f(ringPos[RING_POS_NUM / 2 - 1].x, RING_SIZE, ringPos[RING_POS_NUM / 2 - 1].y);
glVertex3f(ringPos[RING_POS_NUM / 2].x, RING_SIZE, ringPos[RING_POS_NUM / 2].y);
glVertex3f(ringPos[RING_POS_NUM / 2].x, -RING_SIZE, ringPos[RING_POS_NUM / 2].y);
glVertex3f(ringPos[RING_POS_NUM / 2 - 1].x, -RING_SIZE, ringPos[RING_POS_NUM / 2 - 1].y);
glVertex3f(ringPos[RING_POS_NUM / 2 - 1].x, RING_SIZE, ringPos[RING_POS_NUM / 2 - 1].y);
glEnd();
glBegin(GL_LINE_STRIP);
for (int i = RING_POS_NUM / 2 + 1; i <= RING_POS_NUM - 1; i++) {
glVertex3f(ringPos[i].x, RING_SIZE, ringPos[i].y);
}
for (int i = RING_POS_NUM - 1; i >= RING_POS_NUM / 2 + 1; i--) {
glVertex3f(ringPos[i].x, -RING_SIZE, ringPos[i].y);
}
glVertex3f(ringPos[RING_POS_NUM / 2 + 1].x, RING_SIZE, ringPos[RING_POS_NUM / 2 + 1].y);
glEnd();
}
public static void createDisplayLists() {
float d = -RING_DEG * (cast(float) (RING_POS_NUM / 2) - 0.5);
for (int i = 0; i < RING_POS_NUM; i++, d += RING_DEG) {
ringPos[i] = new Vector;
ringPos[i].x = sin(d) * RING_RADIUS;
ringPos[i].y = cos(d) * RING_RADIUS;
}
displayListIdx = glGenLists(1);
glNewList(displayListIdx, GL_COMPILE);
writeOneRing();
glEndList();
}
public static void deleteDisplayLists() {
glDeleteLists(displayListIdx, 1);
}
}
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