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Diffstat (limited to 'src/demos/es1/angeles/Angeles.java')
-rwxr-xr-x | src/demos/es1/angeles/Angeles.java | 855 |
1 files changed, 0 insertions, 855 deletions
diff --git a/src/demos/es1/angeles/Angeles.java b/src/demos/es1/angeles/Angeles.java deleted file mode 100755 index e793be2..0000000 --- a/src/demos/es1/angeles/Angeles.java +++ /dev/null @@ -1,855 +0,0 @@ -/* San Angeles Observation OpenGL ES version example - * Copyright 2004-2005 Jetro Lauha - * All rights reserved. - * Web: http://iki.fi/jetro/ - * - * This source is free software; you can redistribute it and/or - * modify it under the terms of EITHER: - * (1) The GNU Lesser General Public License as published by the Free - * Software Foundation; either version 2.1 of the License, or (at - * your option) any later version. The text of the GNU Lesser - * General Public License is included with this source in the - * file LICENSE-LGPL.txt. - * (2) The BSD-style license that is included with this source in - * the file LICENSE-BSD.txt. - * - * This source is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files - * LICENSE-LGPL.txt and LICENSE-BSD.txt for more details. - * - * $Id$ - * $Revision$ - */ - -package demos.es1.angeles; - -import javax.media.opengl.*; -import com.sun.opengl.util.*; -import java.nio.*; - -public class Angeles /* implements GLEventListener */ { - - public Angeles() { - quadVertices = BufferUtil.newIntBuffer(12); - quadVertices.put(new int[]{ - -0x10000, -0x10000, - 0x10000, -0x10000, - -0x10000, 0x10000, - 0x10000, -0x10000, - 0x10000, 0x10000, - -0x10000, 0x10000 - }); - quadVertices.rewind(); - - light0Position=BufferUtil.newIntBuffer(4); - light0Diffuse=BufferUtil.newIntBuffer(4); - light1Position=BufferUtil.newIntBuffer(4); - light1Diffuse=BufferUtil.newIntBuffer(4); - light2Position=BufferUtil.newIntBuffer(4); - light2Diffuse=BufferUtil.newIntBuffer(4); - materialSpecular=BufferUtil.newIntBuffer(4); - - light0Position.put(new int[] { -0x40000, 0x10000, 0x10000, 0 }); - light0Diffuse.put(new int[] { 0x10000, 0x6666, 0, 0x10000 }); - light1Position.put(new int[] { 0x10000, -0x20000, -0x10000, 0 }); - light1Diffuse.put(new int[] { 0x11eb, 0x23d7, 0x5999, 0x10000 }); - light2Position.put(new int[] { -0x10000, 0, -0x40000, 0 }); - light2Diffuse.put(new int[] { 0x11eb, 0x2b85, 0x23d7, 0x10000 }); - materialSpecular.put(new int[] { 0x10000, 0x10000, 0x10000, 0x10000 }); - - light0Position.rewind(); - light0Diffuse.rewind(); - light1Position.rewind(); - light1Diffuse.rewind(); - light2Position.rewind(); - light2Diffuse.rewind(); - materialSpecular.rewind(); - - seedRandom(15); - - width=0; - height=0; - x=0; - y=0; - } - - public void init(GL gl) { - // FIXME: gl.setSwapInterval(1); - - this.gl = gl; - gl.glEnable(gl.GL_NORMALIZE); - gl.glEnable(gl.GL_DEPTH_TEST); - gl.glDisable(gl.GL_CULL_FACE); - gl.glShadeModel(gl.GL_FLAT); - - gl.glEnable(gl.GL_LIGHTING); - gl.glEnable(gl.GL_LIGHT0); - gl.glEnable(gl.GL_LIGHT1); - gl.glEnable(gl.GL_LIGHT2); - - gl.glEnableClientState(gl.GL_VERTEX_ARRAY); - gl.glEnableClientState(gl.GL_COLOR_ARRAY); - - for (int a = 0; a < SuperShape.COUNT; ++a) - { - sSuperShapeObjects[a] = createSuperShape(SuperShape.sParams[a]); - } - sGroundPlane = createGroundPlane(); - - gAppAlive = 1; - - sStartTick = System.currentTimeMillis(); - frames=0; - } - - public void reshape(GL gl, int x, int y, int width, int height) { - this.width = width; - this.height=height; - this.x = x; - this.y = y; - - this.gl = gl; - - gl.glMatrixMode(gl.GL_MODELVIEW); - gl.glLoadIdentity(); - - gl.glClearColorx((int)(0.1f * 65536), - (int)(0.2f * 65536), - (int)(0.3f * 65536), 0x10000); - - gl.glCullFace(GL.GL_FRONT); - - gl.glHint(GL.GL_PERSPECTIVE_CORRECTION_HINT, GL.GL_FASTEST); - - //gl.glShadeModel(GL.GL_SMOOTH); - gl.glShadeModel(GL.GL_FLAT); - gl.glDisable(GL.GL_DITHER); - - //gl.glMatrixMode(gl.GL_PROJECTION); - //gl.glLoadIdentity(); - //gluPerspective(45.0f, (float)width / (float)height, 0.5f, 150.0f); - - System.out.println("reshape .."); - } - - public void display(GL gl) { - long tick = System.currentTimeMillis(); - - if (gAppAlive==0) - return; - - this.gl = gl; - - // Actual tick value is "blurred" a little bit. - sTick = (sTick + tick - sStartTick) >> 1; - - // Terminate application after running through the demonstration once. - if (sTick >= RUN_LENGTH) - { - gAppAlive = 0; - return; - } - - gl.glClear(gl.GL_DEPTH_BUFFER_BIT | gl.GL_COLOR_BUFFER_BIT); - - gl.glMatrixMode(gl.GL_PROJECTION); - gl.glLoadIdentity(); - gluPerspective(45.0f, (float)width / (float)height, 0.5f, 150.0f); - - // Update the camera position and set the lookat. - camTrack(); - - // Configure environment. - configureLightAndMaterial(); - - // Draw the reflection by drawing models with negated Z-axis. - gl.glPushMatrix(); - drawModels(-1); - gl.glPopMatrix(); - - // Blend the ground plane to the window. - drawGroundPlane(); - - // Draw all the models normally. - drawModels(1); - - // Draw fade quad over whole window (when changing cameras). - drawFadeQuad(); - - frames++; - tick = System.currentTimeMillis(); - long dT = tick - sStartTick; - // System.out.println(frames+"f, "+dT+"ms "+ (frames*1000)/dT +"fps"); - } - - public void displayChanged(GL gl, boolean modeChanged, boolean deviceChanged) { - } - - private GL gl; - - // Total run length is 20 * camera track base unit length (see cams.h). - private int RUN_LENGTH = (20 * CamTrack.CAMTRACK_LEN) ; - private int RANDOM_UINT_MAX = 65535 ; - - private long sRandomSeed = 0; - -void seedRandom(long seed) -{ - sRandomSeed = seed; -} - -int randomUInt() -{ - sRandomSeed = sRandomSeed * 0x343fd + 0x269ec3; - return Math.abs((int) (sRandomSeed >> 16)); -} - - -// Capped conversion from float to fixed. -int FIXED(float value) -{ - if (value < -32768) value = -32768; - if (value > 32767) value = 32767; - return (int)(value * 65536); -} - -// Definition of one GL object in this demo. -public class GLObject { - /* Vertex array and color array are enabled for all objects, so their - * pointers must always be valid and non-null. Normal array is not - * used by the ground plane, so when its pointer is null then normal - * array usage is disabled. - * - * Vertex array is supposed to use gl.GL_FIXED datatype and stride 0 - * (i.e. tightly packed array). Color array is supposed to have 4 - * components per color with gl.GL_UNSIGNED_BYTE datatype and stride 0. - * Normal array is supposed to use gl.GL_FIXED datatype and stride 0. - */ - IntBuffer vertexArray; - ByteBuffer colorArray; - IntBuffer normalArray; - int vertexComponents; - int count; - int vbo[]; - - public GLObject(int vertices, int vertexComponents, - boolean useNormalArray) { - this.count = vertices; - this.vertexComponents = vertexComponents; - this.vertexArray = BufferUtil.newIntBuffer( vertices * vertexComponents ); - this.colorArray = BufferUtil.newByteBuffer (vertices * 4 ); - if (useNormalArray) - { - this.normalArray = BufferUtil.newIntBuffer (vertices * 3 ); - } else { - this.normalArray = null; - } - } - - void seal() - { - flip(); - vbo = new int[3]; - gl.glGenBuffers(3, vbo, 0); - - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[0]); - gl.glBufferData(GL.GL_ARRAY_BUFFER, vertexArray.capacity() * BufferUtil.SIZEOF_INT, vertexArray, GL.GL_STATIC_DRAW); - gl.glVertexPointer(vertexComponents, gl.GL_FLOAT, 0, 0); - - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[1]); - gl.glBufferData(GL.GL_ARRAY_BUFFER, colorArray.capacity() * BufferUtil.SIZEOF_BYTE, colorArray, GL.GL_STATIC_DRAW); - gl.glColorPointer(4, gl.GL_UNSIGNED_BYTE, 0, 0); - - if (null!=normalArray) - { - gl.glEnableClientState(gl.GL_NORMAL_ARRAY); - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[2]); - gl.glBufferData(GL.GL_ARRAY_BUFFER, normalArray.capacity() * BufferUtil.SIZEOF_INT, normalArray, GL.GL_STATIC_DRAW); - gl.glNormalPointer(gl.GL_FLOAT, 0, 0); - } else { - gl.glDisableClientState(gl.GL_NORMAL_ARRAY); - } - } - - void draw() - { - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[0]); - gl.glVertexPointer(vertexComponents, gl.GL_FIXED, 0, 0); - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[1]); - gl.glColorPointer(4, gl.GL_UNSIGNED_BYTE, 0, 0); - - if (null!=normalArray) - { - gl.glEnableClientState(gl.GL_NORMAL_ARRAY); - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[2]); - gl.glNormalPointer(gl.GL_FIXED, 0, 0); - } - else - gl.glDisableClientState(gl.GL_NORMAL_ARRAY); - gl.glDrawArrays(gl.GL_TRIANGLES, 0, count); - } - - void rewind() { - vertexArray.rewind(); - colorArray.rewind(); - if (normalArray != null) { - normalArray.rewind(); - } - } - void flip() { - vertexArray.flip(); - colorArray.flip(); - if (normalArray != null) { - normalArray.flip(); - } - } -} - -long sStartTick = 0; -long sTick = 0; - -int sCurrentCamTrack = 0; -long sCurrentCamTrackStartTick = 0; -long sNextCamTrackStartTick = 0x7fffffff; - -GLObject sSuperShapeObjects[] = new GLObject[SuperShape.COUNT]; -GLObject sGroundPlane; - - -public class VECTOR3 { - float x, y, z; - - public VECTOR3() { - x=0f; y=0f; z=0f; - } - public VECTOR3(float x, float y, float z) { - this.x=x; - this.y=y; - this.z=z; - } -} - - - -static void vector3Sub(VECTOR3 dest, VECTOR3 v1, VECTOR3 v2) -{ - dest.x = v1.x - v2.x; - dest.y = v1.y - v2.y; - dest.z = v1.z - v2.z; -} - - -static void superShapeMap(VECTOR3 point, float r1, float r2, float t, float p) -{ - // sphere-mapping of supershape parameters - point.x = (float)(Math.cos(t) * Math.cos(p) / r1 / r2); - point.y = (float)(Math.sin(t) * Math.cos(p) / r1 / r2); - point.z = (float)(Math.sin(p) / r2); -} - - -float ssFunc(final float t, final float p[]) -{ - return ssFunc(t, p, 0); -} - -float ssFunc(final float t, final float p[], int pOff) -{ - return (float)(Math.pow(Math.pow(Math.abs(Math.cos(p[0+pOff] * t / 4)) / p[1+pOff], p[4+pOff]) + - Math.pow(Math.abs(Math.sin(p[0+pOff] * t / 4)) / p[2+pOff], p[5+pOff]), 1 / p[3+pOff])); -} - - -// Creates and returns a supershape object. -// Based on Paul Bourke's POV-Ray implementation. -// http://astronomy.swin.edu.au/~pbourke/povray/supershape/ -GLObject createSuperShape(final float params[]) -{ - final int resol1 = (int)params[SuperShape.PARAMS - 3]; - final int resol2 = (int)params[SuperShape.PARAMS - 2]; - // latitude 0 to pi/2 for no mirrored bottom - // (latitudeBegin==0 for -pi/2 to pi/2 originally) - final int latitudeBegin = resol2 / 4; - final int latitudeEnd = resol2 / 2; // non-inclusive - final int longitudeCount = resol1; - final int latitudeCount = latitudeEnd - latitudeBegin; - final int triangleCount = longitudeCount * latitudeCount * 2; - final int vertices = triangleCount * 3; - GLObject result; - float baseColor[] = new float[3]; - int a, longitude, latitude; - int currentVertex, currentQuad; - - result = new GLObject(vertices, 3, true); - if (result == null) - return null; - - for (a = 0; a < 3; ++a) - baseColor[a] = ((randomUInt() % 155) + 100) / 255.f; - - currentQuad = 0; - currentVertex = 0; - - // longitude -pi to pi - for (longitude = 0; longitude < longitudeCount; ++longitude) - { - - // latitude 0 to pi/2 - for (latitude = latitudeBegin; latitude < latitudeEnd; ++latitude) - { - float t1 = (float) ( -Math.PI + longitude * 2 * Math.PI / resol1 ); - float t2 = (float) ( -Math.PI + (longitude + 1) * 2 * Math.PI / resol1 ); - float p1 = (float) ( -Math.PI / 2 + latitude * 2 * Math.PI / resol2 ); - float p2 = (float) ( -Math.PI / 2 + (latitude + 1) * 2 * Math.PI / resol2 ); - float r0, r1, r2, r3; - - r0 = ssFunc(t1, params); - r1 = ssFunc(p1, params, 6); - r2 = ssFunc(t2, params); - r3 = ssFunc(p2, params, 6); - - if (r0 != 0 && r1 != 0 && r2 != 0 && r3 != 0) - { - VECTOR3 pa=new VECTOR3(), pb=new VECTOR3(), pc=new VECTOR3(), pd=new VECTOR3(); - VECTOR3 v1=new VECTOR3(), v2=new VECTOR3(), n=new VECTOR3(); - float ca; - int i; - //float lenSq, invLenSq; - - superShapeMap(pa, r0, r1, t1, p1); - superShapeMap(pb, r2, r1, t2, p1); - superShapeMap(pc, r2, r3, t2, p2); - superShapeMap(pd, r0, r3, t1, p2); - - // kludge to set lower edge of the object to fixed level - if (latitude == latitudeBegin + 1) - pa.z = pb.z = 0; - - vector3Sub(v1, pb, pa); - vector3Sub(v2, pd, pa); - - // Calculate normal with cross product. - /* i j k i j - * v1.x v1.y v1.z | v1.x v1.y - * v2.x v2.y v2.z | v2.x v2.y - */ - - n.x = v1.y * v2.z - v1.z * v2.y; - n.y = v1.z * v2.x - v1.x * v2.z; - n.z = v1.x * v2.y - v1.y * v2.x; - - /* Pre-normalization of the normals is disabled here because - * they will be normalized anyway later due to automatic - * normalization (gl.GL_NORMALIZE). It is enabled because the - * objects are scaled with glScale. - */ - /* - lenSq = n.x * n.x + n.y * n.y + n.z * n.z; - invLenSq = (float)(1 / sqrt(lenSq)); - n.x *= invLenSq; - n.y *= invLenSq; - n.z *= invLenSq; - */ - - ca = pa.z + 0.5f; - - for (i = currentVertex * 3; - i < (currentVertex + 6) * 3; - i += 3) - { - result.normalArray.put(i , FIXED(n.x)); - result.normalArray.put(i + 1, FIXED(n.y)); - result.normalArray.put(i + 2, FIXED(n.z)); - } - for (i = currentVertex * 4; - i < (currentVertex + 6) * 4; - i += 4) - { - int j, color[] = new int[3]; - for (j = 0; j < 3; ++j) - { - color[j] = (int)(ca * baseColor[j] * 255); - if (color[j] > 255) color[j] = 255; - } - result.colorArray.put(i , (byte)color[0]); - result.colorArray.put(i + 1, (byte)color[1]); - result.colorArray.put(i + 2, (byte)color[2]); - result.colorArray.put(i + 3, (byte)0); - } - result.vertexArray.put(currentVertex * 3, FIXED(pa.x)); - result.vertexArray.put(currentVertex * 3 + 1, FIXED(pa.y)); - result.vertexArray.put(currentVertex * 3 + 2, FIXED(pa.z)); - ++currentVertex; - result.vertexArray.put(currentVertex * 3, FIXED(pb.x)); - result.vertexArray.put(currentVertex * 3 + 1, FIXED(pb.y)); - result.vertexArray.put(currentVertex * 3 + 2, FIXED(pb.z)); - ++currentVertex; - result.vertexArray.put(currentVertex * 3, FIXED(pd.x)); - result.vertexArray.put(currentVertex * 3 + 1, FIXED(pd.y)); - result.vertexArray.put(currentVertex * 3 + 2, FIXED(pd.z)); - ++currentVertex; - result.vertexArray.put(currentVertex * 3, FIXED(pb.x)); - result.vertexArray.put(currentVertex * 3 + 1, FIXED(pb.y)); - result.vertexArray.put(currentVertex * 3 + 2, FIXED(pb.z)); - ++currentVertex; - result.vertexArray.put(currentVertex * 3, FIXED(pc.x)); - result.vertexArray.put(currentVertex * 3 + 1, FIXED(pc.y)); - result.vertexArray.put(currentVertex * 3 + 2, FIXED(pc.z)); - ++currentVertex; - result.vertexArray.put(currentVertex * 3, FIXED(pd.x)); - result.vertexArray.put(currentVertex * 3 + 1, FIXED(pd.y)); - result.vertexArray.put(currentVertex * 3 + 2, FIXED(pd.z)); - ++currentVertex; - } // r0 && r1 && r2 && r3 - ++currentQuad; - } // latitude - } // longitude - - // Set number of vertices in object to the actual amount created. - result.count = currentVertex; - result.seal(); - return result; -} - - -GLObject createGroundPlane() -{ - final int scale = 4; - final int yBegin = -15, yEnd = 15; // ends are non-inclusive - final int xBegin = -15, xEnd = 15; - final int triangleCount = (yEnd - yBegin) * (xEnd - xBegin) * 2; - final int vertices = triangleCount * 3; - GLObject result; - int x, y; - int currentVertex, currentQuad; - - result = new GLObject(vertices, 2, false); - if (result == null) - return null; - - currentQuad = 0; - currentVertex = 0; - - for (y = yBegin; y < yEnd; ++y) - { - for (x = xBegin; x < xEnd; ++x) - { - byte color; - int i, a; - color = (byte)((randomUInt() & 0x5f) + 81); // 101 1111 - for (i = currentVertex * 4; i < (currentVertex + 6) * 4; i += 4) - { - result.colorArray.put(i, color); - result.colorArray.put(i + 1, color); - result.colorArray.put(i + 2, color); - result.colorArray.put(i + 3, (byte)0); - } - - // Axis bits for quad triangles: - // x: 011100 (0x1c), y: 110001 (0x31) (clockwise) - // x: 001110 (0x0e), y: 100011 (0x23) (counter-clockwise) - for (a = 0; a < 6; ++a) - { - final int xm = x + ((0x1c >> a) & 1); - final int ym = y + ((0x31 >> a) & 1); - final float m = (float)(Math.cos(xm * 2) * Math.sin(ym * 4) * 0.75f); - result.vertexArray.put(currentVertex * 2, FIXED(xm * scale + m)); - result.vertexArray.put(currentVertex * 2 + 1, FIXED(ym * scale + m)); - ++currentVertex; - } - ++currentQuad; - } - } - result.seal(); - return result; -} - - -void drawGroundPlane() -{ - gl.glDisable(gl.GL_CULL_FACE); - gl.glDisable(gl.GL_DEPTH_TEST); - gl.glEnable(gl.GL_BLEND); - gl.glBlendFunc(gl.GL_ZERO, gl.GL_SRC_COLOR); - gl.glDisable(gl.GL_LIGHTING); - - sGroundPlane.draw(); - - gl.glEnable(gl.GL_LIGHTING); - gl.glDisable(gl.GL_BLEND); - gl.glEnable(gl.GL_DEPTH_TEST); -} - -void drawFadeQuad() -{ - final int beginFade = (int) (sTick - sCurrentCamTrackStartTick); - final int endFade = (int) (sNextCamTrackStartTick - sTick); - final int minFade = beginFade < endFade ? beginFade : endFade; - - if (minFade < 1024) - { - final int fadeColor = minFade << 7; - gl.glColor4x(fadeColor, fadeColor, fadeColor, 0); - - gl.glDisable(gl.GL_DEPTH_TEST); - gl.glEnable(gl.GL_BLEND); - gl.glBlendFunc(gl.GL_ZERO, gl.GL_SRC_COLOR); - gl.glDisable(gl.GL_LIGHTING); - - gl.glMatrixMode(gl.GL_MODELVIEW); - gl.glLoadIdentity(); - - gl.glMatrixMode(gl.GL_PROJECTION); - gl.glLoadIdentity(); - - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0); - gl.glDisableClientState(gl.GL_COLOR_ARRAY); - gl.glDisableClientState(gl.GL_NORMAL_ARRAY); - gl.glVertexPointer(2, gl.GL_FIXED, 0, quadVertices); - gl.glDrawArrays(gl.GL_TRIANGLES, 0, 6); - - gl.glEnableClientState(gl.GL_COLOR_ARRAY); - - gl.glMatrixMode(gl.GL_MODELVIEW); - - gl.glEnable(gl.GL_LIGHTING); - gl.glDisable(gl.GL_BLEND); - gl.glEnable(gl.GL_DEPTH_TEST); - } -} - -IntBuffer quadVertices; -IntBuffer light0Position; -IntBuffer light0Diffuse; -IntBuffer light1Position; -IntBuffer light1Diffuse; -IntBuffer light2Position; -IntBuffer light2Diffuse; -IntBuffer materialSpecular; - -void configureLightAndMaterial() -{ - gl.glLightxv(gl.GL_LIGHT0, gl.GL_POSITION, light0Position); - gl.glLightxv(gl.GL_LIGHT0, gl.GL_DIFFUSE, light0Diffuse); - gl.glLightxv(gl.GL_LIGHT1, gl.GL_POSITION, light1Position); - gl.glLightxv(gl.GL_LIGHT1, gl.GL_DIFFUSE, light1Diffuse); - gl.glLightxv(gl.GL_LIGHT2, gl.GL_POSITION, light2Position); - gl.glLightxv(gl.GL_LIGHT2, gl.GL_DIFFUSE, light2Diffuse); - gl.glMaterialxv(gl.GL_FRONT_AND_BACK, gl.GL_SPECULAR, materialSpecular); - - gl.glMaterialx(gl.GL_FRONT_AND_BACK, gl.GL_SHININESS, 60 << 16); - gl.glEnable(gl.GL_COLOR_MATERIAL); -} - - -void drawModels(float zScale) -{ - final int translationScale = 9; - int x, y; - - seedRandom(9); - - gl.glScalex(1 << 16, 1 << 16, (int)(zScale * 65536)); - - for (y = -5; y <= 5; ++y) - { - for (x = -5; x <= 5; ++x) - { - float buildingScale; - int fixedScale; - - int curShape = randomUInt() % SuperShape.COUNT; - buildingScale = SuperShape.sParams[curShape][SuperShape.PARAMS - 1]; - fixedScale = (int)(buildingScale * 65536); - - gl.glPushMatrix(); - gl.glTranslatex((x * translationScale) * 65536, - (y * translationScale) * 65536, - 0); - gl.glRotatex((int)((randomUInt() % 360) << 16), 0, 0, 1 << 16); - gl.glScalex(fixedScale, fixedScale, fixedScale); - - sSuperShapeObjects[curShape].draw(); - gl.glPopMatrix(); - } - } - - for (x = -2; x <= 2; ++x) - { - final int shipScale100 = translationScale * 500; - final int offs100 = x * shipScale100 + (int)(sTick % shipScale100); - float offs = offs100 * 0.01f; - int fixedOffs = (int)(offs * 65536); - gl.glPushMatrix(); - gl.glTranslatex(fixedOffs, -4 * 65536, 2 << 16); - sSuperShapeObjects[SuperShape.COUNT - 1].draw(); - gl.glPopMatrix(); - gl.glPushMatrix(); - gl.glTranslatex(-4 * 65536, fixedOffs, 4 << 16); - gl.glRotatex(90 << 16, 0, 0, 1 << 16); - sSuperShapeObjects[SuperShape.COUNT - 1].draw(); - gl.glPopMatrix(); - } -} - - -void camTrack() -{ - float lerp[]= new float[5]; - float eX, eY, eZ, cX, cY, cZ; - float trackPos; - CamTrack cam; - long currentCamTick; - int a; - - if (sNextCamTrackStartTick <= sTick) - { - ++sCurrentCamTrack; - sCurrentCamTrackStartTick = sNextCamTrackStartTick; - } - sNextCamTrackStartTick = sCurrentCamTrackStartTick + - CamTrack.sCamTracks[sCurrentCamTrack].len * CamTrack.CAMTRACK_LEN; - - cam = CamTrack.sCamTracks[sCurrentCamTrack]; - currentCamTick = sTick - sCurrentCamTrackStartTick; - trackPos = (float)currentCamTick / (CamTrack.CAMTRACK_LEN * cam.len); - - for (a = 0; a < 5; ++a) - lerp[a] = (cam.src[a] + cam.dest[a] * trackPos) * 0.01f; - - if (cam.dist>0) - { - float dist = cam.dist * 0.1f; - cX = lerp[0]; - cY = lerp[1]; - cZ = lerp[2]; - eX = cX - (float)Math.cos(lerp[3]) * dist; - eY = cY - (float)Math.sin(lerp[3]) * dist; - eZ = cZ - lerp[4]; - } - else - { - eX = lerp[0]; - eY = lerp[1]; - eZ = lerp[2]; - cX = eX + (float)Math.cos(lerp[3]); - cY = eY + (float)Math.sin(lerp[3]); - cZ = eZ + lerp[4]; - } - gluLookAt(eX, eY, eZ, cX, cY, cZ, 0, 0, 1); -} - -private int gAppAlive = 0; -private int width, height, x, y, frames; - -/* Following gluLookAt implementation is adapted from the - * Mesa 3D Graphics library. http://www.mesa3d.org - */ -void gluLookAt(float eyex, float eyey, float eyez, - float centerx, float centery, float centerz, - float upx, float upy, float upz) -{ - float m[] = new float[16]; - float x[] = new float[3], y[] = new float[3], z[] = new float[3]; - float mag; - - /* Make rotation matrix */ - - /* Z vector */ - z[0] = eyex - centerx; - z[1] = eyey - centery; - z[2] = eyez - centerz; - mag = (float)Math.sqrt(z[0] * z[0] + z[1] * z[1] + z[2] * z[2]); - if (mag!=0.0) { /* mpichler, 19950515 */ - z[0] /= mag; - z[1] /= mag; - z[2] /= mag; - } - - /* Y vector */ - y[0] = upx; - y[1] = upy; - y[2] = upz; - - /* X vector = Y cross Z */ - x[0] = y[1] * z[2] - y[2] * z[1]; - x[1] = -y[0] * z[2] + y[2] * z[0]; - x[2] = y[0] * z[1] - y[1] * z[0]; - - /* Recompute Y = Z cross X */ - y[0] = z[1] * x[2] - z[2] * x[1]; - y[1] = -z[0] * x[2] + z[2] * x[0]; - y[2] = z[0] * x[1] - z[1] * x[0]; - - /* mpichler, 19950515 */ - /* cross product gives area of parallelogram, which is < 1.0 for - * non-perpendicular unit-length vectors; so normalize x, y here - */ - - mag = (float)Math.sqrt(x[0] * x[0] + x[1] * x[1] + x[2] * x[2]); - if (mag!=0.0) { - x[0] /= mag; - x[1] /= mag; - x[2] /= mag; - } - - mag = (float)Math.sqrt(y[0] * y[0] + y[1] * y[1] + y[2] * y[2]); - if (mag!=0.0) { - y[0] /= mag; - y[1] /= mag; - y[2] /= mag; - } - - m[0 + 0*4] = x[0]; - m[0 + 1*4] = x[1]; - m[0 + 2*4] = x[2]; - m[0 + 3*4] = 0.0f; - m[1 + 0*4] = y[0]; - m[1 + 1*4] = y[1]; - m[1 + 2*4] = y[2]; - m[1 + 3*4] = 0.0f; - m[2 + 0*4] = z[0]; - m[2 + 1*4] = z[1]; - m[2 + 2*4] = z[2]; - m[2 + 3*4] = 0.0f; - m[3 + 0*4] = 0.0f; - m[3 + 1*4] = 0.0f; - m[3 + 2*4] = 0.0f; - m[3 + 3*4] = 1.0f; - { - int a; - int fixedM[] = new int[16]; - for (a = 0; a < 16; ++a) - fixedM[a] = (int)(m[a] * 65536); - - IntBuffer nioM = BufferUtil.newIntBuffer(16); - nioM.put(fixedM); - nioM.rewind(); - gl.glMultMatrixx(nioM); - } - - /* Translate Eye to Origin */ - gl.glTranslatex((int)(-eyex * 65536), - (int)(-eyey * 65536), - (int)(-eyez * 65536)); -} - -void gluPerspective(float fovy, float aspect, - float zNear, float zFar) -{ - float xmin, xmax, ymin, ymax; - - ymax = zNear * (float)Math.tan(fovy * Math.PI / 360.0); - ymin = -ymax; - xmin = ymin * aspect; - xmax = ymax * aspect; - - gl.glFrustumx((int)(xmin * 65536), (int)(xmax * 65536), - (int)(ymin * 65536), (int)(ymax * 65536), - (int)(zNear * 65536), (int)(zFar * 65536)); -} - - -} - |