Package fcagnin.jglsdk.glutil

Examples of fcagnin.jglsdk.glutil.MatrixStack

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    protected void display() {
        glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
        glClearDepth( 1.0f );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

        MatrixStack currMatrix = new MatrixStack();
        final Vec3 camPos = resolveCamPosition();
        currMatrix.setMatrix( calcLookAtMatrix( camPos, camTarget, new Vec3( 0.0f, 1.0f, 0.0f ) ) );

        glUseProgram( theProgram );

        {
            currMatrix.push();
            currMatrix.scale( 100.0f, 1.0f, 100.0f );

            glUniform4f( baseColorUnif, 0.2f, 0.5f, 0.2f, 1.0f );
            glUniformMatrix4( modelToCameraMatrixUnif, false, currMatrix.top().fillAndFlipBuffer( mat4Buffer ) );

            plane.render();

            currMatrix.pop();
        }

        {
            currMatrix.push();
            currMatrix.translate( camTarget );
            currMatrix.applyMatrix( Glm.matCast( orientation ) );
            currMatrix.rotateX( -90.0f );

            // Set the base color for this object.
            glUniform4f( baseColorUnif, 1.0f, 1.0f, 1.0f, 1.0f );
            glUniformMatrix4( modelToCameraMatrixUnif, false, currMatrix.top().fillAndFlipBuffer( mat4Buffer ) );

            ship.render( "tint" );

            currMatrix.pop();
        }

        glUseProgram( 0 );
    }
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    protected void display() {
        glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
        glClearDepth( 1.0f );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

        MatrixStack currMatrix = new MatrixStack();
        currMatrix.translate( 0.0f, 0.0f, -200.0f );
        currMatrix.applyMatrix( Glm.matCast( orientation ) );

        glUseProgram( theProgram );

        currMatrix.scale( 3.0f, 3.0f, 3.0f );
        currMatrix.rotateX( -90.0f );

        // Set the base color for this object.
        glUniform4f( baseColorUnif, 1.0f, 1.0f, 1.0f, 1.0f );
        glUniformMatrix4( modelToCameraMatrixUnif, false, currMatrix.top().fillAndFlipBuffer( mat4Buffer ) );

        ship.render( "tint" );

        glUseProgram( 0 );
    }
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        glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
        glClearDepth( 1.0f );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

        MatrixStack currMatrix = new MatrixStack();
        currMatrix.translate( 0.0f, 0.0f, -200.0f );
        currMatrix.applyMatrix( Glm.matCast( orient.getOrient() ) );

        glUseProgram( theProgram );

        currMatrix.scale( 3.0f, 3.0f, 3.0f );
        currMatrix.rotateX( -90.0f );

        // Set the base color for this object.
        glUniform4f( baseColorUnif, 1.0f, 1.0f, 1.0f, 1.0f );
        glUniformMatrix4( modelToCameraMatrixUnif, false, currMatrix.top().fillAndFlipBuffer( mat4Buffer ) );

        ship.render( "tint" );

        glUseProgram( 0 );
    }
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        }
    }

    @Override
    protected void reshape(int w, int h) {
        MatrixStack persMatrix = new MatrixStack();
        persMatrix.perspective( 45.0f, (w / (float) h), zNear, zFar );

        ProjectionBlock projData = new ProjectionBlock();
        projData.cameraToClipMatrix = persMatrix.top();

        glBindBuffer( GL_UNIFORM_BUFFER, projectionUniformBuffer );
        glBufferSubData( GL_UNIFORM_BUFFER, 0, projData.fillAndFlipBuffer( mat4Buffer ) );
        glBindBuffer( GL_UNIFORM_BUFFER, 0 );
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        glClearColor( 0.8f, 0.8f, 0.8f, 1.0f );
        glClearDepth( 1.0f );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

        MatrixStack modelMatrix = new MatrixStack();
        modelMatrix.applyMatrix( viewPole.calcMatrix() );

        buildLights( modelMatrix.top() );

        nodes.get( 0 ).nodeSetOrient( Glm.rotate( new Quaternion( 1.0f ), 360.0f * timer.getAlpha(),
                new Vec3( 0.0f, 1.0f, 0.0f ) ) );

        nodes.get( 3 ).nodeSetOrient( Quaternion.mul( spinBarOrient, Glm.rotate( new Quaternion( 1.0f ),
                360.0f * timer.getAlpha(), new Vec3( 0.0f, 0.0f, 1.0f ) ) ) );

        Vec2 displaySize = new Vec2( displayWidth / 2, displayHeight );

        {
            MatrixStack persMatrix = new MatrixStack();
            persMatrix.perspective( 60.0f, displaySize.x / displaySize.y, zNear, zFar );

            ProjectionBlock projData = new ProjectionBlock();
            projData.cameraToClipMatrix = persMatrix.top();

            glBindBuffer( GL_UNIFORM_BUFFER, projectionUniformBuffer );
            glBufferData( GL_UNIFORM_BUFFER, projData.fillAndFlipBuffer( mat4Buffer ), GL_STREAM_DRAW );
            glBindBuffer( GL_UNIFORM_BUFFER, 0 );
        }

        glViewport( 0, 0, (int) displaySize.x, (int) displaySize.y );
        scene.render( modelMatrix.top() );

        if ( drawCameraPos ) {
            modelMatrix.push();

            // Draw lookat point.
            modelMatrix.setIdentity();
            modelMatrix.translate( 0.0f, 0.0f, -viewPole.getView().radius );
            modelMatrix.scale( 0.5f );

            glDisable( GL_DEPTH_TEST );
            glDepthMask( false );
            glUseProgram( unlitProg );
            glUniformMatrix4( unlitModelToCameraMatrixUnif, false, modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
            glUniform4f( unlitObjectColorUnif, 0.25f, 0.25f, 0.25f, 1.0f );
            sphereMesh.render( "flat" );
            glDepthMask( true );
            glEnable( GL_DEPTH_TEST );
            glUniform4f( unlitObjectColorUnif, 1.0f, 1.0f, 1.0f, 1.0f );
            sphereMesh.render( "flat" );

            modelMatrix.pop();
        }

        {
            MatrixStack persMatrix = new MatrixStack();
            persMatrix.applyMatrix( new Mat4( new Mat3( persViewPole.calcMatrix() ) ) );
            persMatrix.perspective( 60.0f, displaySize.x / displaySize.y, zNear, zFar );

            ProjectionBlock projData = new ProjectionBlock();
            projData.cameraToClipMatrix = persMatrix.top();

            glBindBuffer( GL_UNIFORM_BUFFER, projectionUniformBuffer );
            glBufferData( GL_UNIFORM_BUFFER, projData.fillAndFlipBuffer( mat4Buffer ), GL_STREAM_DRAW );
            glBindBuffer( GL_UNIFORM_BUFFER, 0 );
        }
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        glClearColor( 0.75f, 0.75f, 1.0f, 1.0f );
        glClearDepth( 1.0f );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

        MatrixStack modelMatrix = new MatrixStack();
        modelMatrix.setMatrix( viewPole.calcMatrix() );
        final Mat4 worldToCamMat = modelMatrix.top();

        LightBlock lightData = new LightBlock();
        lightData.ambientIntensity = new Vec4( 0.2f, 0.2f, 0.2f, 1.0f );
        float halfLightDistance = 25.0f;
        float lightAttenuation = 1.0f / (halfLightDistance * halfLightDistance);
        lightData.lightAttenuation = lightAttenuation;

        Vec3 globalLightDirection = new Vec3( 0.707f, 0.707f, 0.0f );

        lightData.lights[0] = new PerLight();
        lightData.lights[0].cameraSpaceLightPos = Mat4.mul( worldToCamMat, new Vec4( globalLightDirection, 0.0f ) );
        lightData.lights[0].lightIntensity = new Vec4( 0.6f, 0.6f, 0.6f, 1.0f );

        lightData.lights[1] = new PerLight();
        lightData.lights[1].cameraSpaceLightPos = Mat4.mul( worldToCamMat, calcLightPosition() );
        lightData.lights[1].lightIntensity = new Vec4( 0.4f, 0.4f, 0.4f, 1.0f );

        glBindBuffer( GL_UNIFORM_BUFFER, lightUniformBuffer );
        glBufferSubData( GL_UNIFORM_BUFFER, 0, lightData.fillAndFlipBuffer( lightBlockBuffer ) );
        glBindBuffer( GL_UNIFORM_BUFFER, 0 );

        {
            Mesh pMesh = useInfinity ? objectMesh : planeMesh;

            glBindBufferRange( GL_UNIFORM_BUFFER, materialBlockIndex, materialUniformBuffer,
                    currMaterial * materialOffset, MaterialBlock.SIZE );

            modelMatrix.push();

            modelMatrix.applyMatrix( objtPole.calcMatrix() );
            modelMatrix.scale( useInfinity ? 2.0f : 4.0f );

            Mat3 normMatrix = new Mat3( modelMatrix.top() );
            normMatrix = Glm.transpose( Glm.inverse( normMatrix ) );

            ProgramData prog = programs[shaderMode.ordinal()];

            glUseProgram( prog.theProgram );
            glUniformMatrix4( prog.modelToCameraMatrixUnif, false, modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
            glUniformMatrix3( prog.normalModelToCameraMatrixUnif, false, normMatrix.fillAndFlipBuffer( mat3Buffer ) );

            glActiveTexture( GL_TEXTURE0 + gaussTexUnit );
            glBindTexture( GL_TEXTURE_2D, gaussTextures[currTexture] );
            glBindSampler( gaussTexUnit, textureSampler );

            glActiveTexture( GL_TEXTURE0 + shineTexUnit );
            glBindTexture( GL_TEXTURE_2D, shineTexture );
            glBindSampler( shineTexUnit, textureSampler );

            if ( shaderMode != ShaderMode.FIXED ) {
                pMesh.render( "lit-tex" );
            } else {
                pMesh.render( "lit" );
            }

            glBindSampler( gaussTexUnit, 0 );
            glBindTexture( GL_TEXTURE_2D, 0 );

            glUseProgram( 0 );
            glBindBufferBase( GL_UNIFORM_BUFFER, materialBlockIndex, 0 );

            modelMatrix.pop();
        }

        if ( drawLights ) {
            modelMatrix.push();

            modelMatrix.translate( new Vec3( calcLightPosition() ) );
            modelMatrix.scale( 0.25f );

            glUseProgram( unlit.theProgram );
            glUniformMatrix4( unlit.modelToCameraMatrixUnif, false, modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );

            Vec4 lightColor = new Vec4( 1.0f );
            glUniform4( unlit.objectColorUnif, lightColor.fillAndFlipBuffer( vec4Buffer ) );
            cubeMesh.render( "flat" );

            modelMatrix.pop();

            modelMatrix.translate( globalLightDirection.scale( 100.0f ) );
            modelMatrix.scale( 5.0f );

            glUniformMatrix4( unlit.modelToCameraMatrixUnif, false, modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
            cubeMesh.render( "flat" );

            glUseProgram( 0 );
        }

        if ( drawCameraPos ) {
            modelMatrix.push();

            modelMatrix.setIdentity();
            modelMatrix.translate( new Vec3( 0.0f, 0.0f, -viewPole.getView().radius ) );
            modelMatrix.scale( 0.25f );

            glDisable( GL_DEPTH_TEST );
            glDepthMask( false );
            glUseProgram( unlit.theProgram );
            glUniformMatrix4( unlit.modelToCameraMatrixUnif, false, modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
            glUniform4f( unlit.objectColorUnif, 0.25f, 0.25f, 0.25f, 1.0f );
            cubeMesh.render( "flat" );
            glDepthMask( true );
            glEnable( GL_DEPTH_TEST );
            glUniform4f( unlit.objectColorUnif, 1.0f, 1.0f, 1.0f, 1.0f );
            cubeMesh.render( "flat" );

            modelMatrix.pop();
        }
    }
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        float cyclicAngle = camTimer.getAlpha() * 6.28f;
        float hOffset = (float) (Math.cos( cyclicAngle ) * 0.25f);
        float vOffset = (float) (Math.sin( cyclicAngle ) * 0.25f);

        MatrixStack modelMatrix = new MatrixStack();

        final Mat4 worldToCamMat = Glm.lookAt( new Vec3( hOffset, 1.0f, -64.0f ),
                new Vec3( hOffset, -5.0f + vOffset, -44.0f ), new Vec3( 0.0f, 1.0f, 0.0f ) );

        modelMatrix.applyMatrix( worldToCamMat );

        glUseProgram( program.theProgram );
        glUniformMatrix4( program.modelToCameraMatrixUnif, false, modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );

        glActiveTexture( GL_TEXTURE0 + colorTexUnit );
        glBindTexture( GL_TEXTURE_2D, useMipmapTexture ? mipmapTestTexture : checkerTexture );
        glBindSampler( colorTexUnit, samplers[currSampler] );

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        glUseProgram( 0 );
    }

    @Override
    protected void reshape(int w, int h) {
        MatrixStack persMatrix = new MatrixStack();
        persMatrix.perspective( 90.0f, (w / (float) h), zNear, zFar );

        ProjectionBlock projData = new ProjectionBlock();
        projData.cameraToClipMatrix = persMatrix.top();

        glBindBuffer( GL_UNIFORM_BUFFER, projectionUniformBuffer );
        glBufferSubData( GL_UNIFORM_BUFFER, 0, projData.fillAndFlipBuffer( mat4Buffer ) );
        glBindBuffer( GL_UNIFORM_BUFFER, 0 );
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        }
    }

    @Override
    protected void reshape(int w, int h) {
        MatrixStack persMatrix = new MatrixStack();
        persMatrix.perspective( 45.0f, (w / (float) h), zNear, zFar );

        ProjectionBlock projData = new ProjectionBlock();
        projData.cameraToClipMatrix = persMatrix.top();

        glBindBuffer( GL_UNIFORM_BUFFER, projectionUniformBuffer );
        glBufferSubData( GL_UNIFORM_BUFFER, 0, projData.fillAndFlipBuffer( mat4Buffer ) );
        glBindBuffer( GL_UNIFORM_BUFFER, 0 );
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        glClearColor( 0.0f, 0.0f, 0.0f, 0.0f );
        glClearDepth( 1.0f );
        glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );

        MatrixStack modelMatrix = new MatrixStack();
        modelMatrix.setMatrix( viewPole.calcMatrix() );

        final Vec4 worldLightPos = calcLightPosition();

        Vec4 lightPosCameraSpace = Mat4.mul( modelMatrix.top(), worldLightPos );

        glUseProgram( whiteDiffuseColor.theProgram );
        glUniform3( whiteDiffuseColor.lightPosUnif, lightPosCameraSpace.fillAndFlipBuffer( vec4Buffer ) );
        glUseProgram( vertexDiffuseColor.theProgram );
        glUniform3( vertexDiffuseColor.lightPosUnif, lightPosCameraSpace.fillAndFlipBuffer( vec4Buffer ) );

        glUseProgram( whiteDiffuseColor.theProgram );
        glUniform4f( whiteDiffuseColor.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f );
        glUniform4f( whiteDiffuseColor.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f );
        glUseProgram( vertexDiffuseColor.theProgram );
        glUniform4f( vertexDiffuseColor.lightIntensityUnif, 0.8f, 0.8f, 0.8f, 1.0f );
        glUniform4f( vertexDiffuseColor.ambientIntensityUnif, 0.2f, 0.2f, 0.2f, 1.0f );
        glUseProgram( 0 );

        {
            modelMatrix.push();

            // Render the ground plane.
            {
                modelMatrix.push();

                glUseProgram( whiteDiffuseColor.theProgram );
                glUniformMatrix4( whiteDiffuseColor.modelToCameraMatrixUnif, false,
                        modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
                Mat3 normMatrix = new Mat3( modelMatrix.top() );
                glUniformMatrix3( whiteDiffuseColor.normalModelToCameraMatrixUnif, false,
                        normMatrix.fillAndFlipBuffer( mat3Buffer ) );
                planeMesh.render();
                glUseProgram( 0 );

                modelMatrix.pop();
            }

            // Render the Cylinder
            {
                modelMatrix.push();

                modelMatrix.applyMatrix( objtPole.calcMatrix() );

                if ( drawColoredCyl ) {
                    glUseProgram( vertexDiffuseColor.theProgram );
                    glUniformMatrix4( vertexDiffuseColor.modelToCameraMatrixUnif, false,
                            modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
                    Mat3 normMatrix = new Mat3( modelMatrix.top() );
                    glUniformMatrix3( vertexDiffuseColor.normalModelToCameraMatrixUnif, false,
                            normMatrix.fillAndFlipBuffer( mat3Buffer ) );
                    cylinderMesh.render( "lit-color" );
                } else {
                    glUseProgram( whiteDiffuseColor.theProgram );
                    glUniformMatrix4( whiteDiffuseColor.modelToCameraMatrixUnif, false,
                            modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
                    Mat3 normMatrix = new Mat3( modelMatrix.top() );
                    glUniformMatrix3( whiteDiffuseColor.normalModelToCameraMatrixUnif, false,
                            normMatrix.fillAndFlipBuffer( mat3Buffer ) );
                    cylinderMesh.render( "lit" );
                }
                glUseProgram( 0 );

                modelMatrix.pop();
            }

            // Render the light
            if ( drawLight ) {
                modelMatrix.push();

                modelMatrix.translate( worldLightPos.x, worldLightPos.y, worldLightPos.z );
                modelMatrix.scale( 0.1f, 0.1f, 0.1f );

                glUseProgram( unlit.theProgram );
                glUniformMatrix4( unlit.modelToCameraMatrixUnif, false,
                        modelMatrix.top().fillAndFlipBuffer( mat4Buffer ) );
                glUniform4f( unlit.objectColorUnif, 0.8078f, 0.8706f, 0.9922f, 1.0f );
                cubeMesh.render( "flat" );

                modelMatrix.pop();
            }

            modelMatrix.pop();
        }
    }
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Related Classes of fcagnin.jglsdk.glutil.MatrixStack

  • fcagnin.jglsdk.glm.Mat4
  • fcagnin.jgltut.tut07.WorldScene
  • fcagnin.jgltut.tut07.WorldWithUBO
  • fcagnin.jgltut.tut08.CameraRelative
  • fcagnin.jgltut.tut08.GimbalLock
  • fcagnin.jgltut.tut08.Interpolation
  • fcagnin.jgltut.tut08.QuaternionYPR
  • fcagnin.jgltut.tut09.AmbientLighting
  • fcagnin.jgltut.tut09.BasicLighting
  • fcagnin.jgltut.tut09.ScaleAndLighting
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