private void SetupCamera(CamSettings settings)
{
var aspect = settings.aspect;
zoomLevel = Mathf.Max(0.05f, Mathf.Abs(zoomLevel)) * Math.Sign(zoomLevel);
// "Physical" pixel render size
Vector2 screenRenderSize = GetScreenRenderSize();
// Pixel render size
int[] pixelRenderSize = GetRenderTextureSize(screenRenderSize, settings.aspect);
float targetAspect = (float)pixelRenderSize[0] / (float)pixelRenderSize[1];
cam.aspect = targetAspect;
if (cam.orthographic)
{
// Orthographic camera needs to use screen size when calculating quad offset
screenRenderSize = new Vector2(Screen.width, Screen.height);
// Set the camera's size, according to pixel size
float targetHeight = pixelRenderSize[1];
// Use pixel density to convert to world units
targetHeight /= pixelsPerUnit;
targetHeight /= 2f;
// Change orthographic size so camera is sized to world unit
cam.orthographicSize = targetHeight;
}
// Find the settings to be used for drawing the GL quad
CalculateQuad(screenRenderSize, pixelRenderSize);
// Important to release current render texture
cam.targetTexture = null;
fallbackMaterial.SetTexture("_MainTex", null);
if (advancedSettings != null && advancedSettings.cameraMaterial != null)
{
advancedSettings.cameraMaterial.SetTexture("_MainTex", null);
}
if (renderTexture != null)
{
renderTexture.Release();
}
// Create new render texture
Vector2 renderSize = new Vector2(pixelRenderSize[0], pixelRenderSize[1]) / settings.downsample;
int[] actualRenderSize = GetRenderTextureSize(renderSize, Vector2.one);
renderTexture = new RenderTexture(actualRenderSize[0], actualRenderSize[1], 0)
{
useMipMap = true,
filterMode = FilterMode.Point,
wrapMode = TextureWrapMode.Clamp
};
// Make main camera render into it
cam.targetTexture = renderTexture;
// Set render texture as _MainTex on materials
fallbackMaterial.SetTexture("_MainTex", renderTexture);
if (advancedSettings != null)
{
CameraMaterial = advancedSettings.cameraMaterial;
}
lastSettings = settings;
cam.Render();
camDraw.DrawQuad();
}
protected void SetupCamera()
{
var aspect = AspectStretch;
zoomLevel = Mathf.Max(0.05f, Mathf.Abs(zoomLevel)) * Math.Sign(zoomLevel);
// "Physical" render size
Vector2 screenRenderSize = GetScreenRenderSize();
// Pixel render size
int[] pixelRenderSize = GetRenderTextureSize(screenRenderSize, aspect);
// Find the settings to be used for drawing the GL quad
Vector2 pixelSize = new Vector2(pixelRenderSize[0], pixelRenderSize[1]) * zoomLevel;
if (cam.orthographic)
{
// Orthographic camera needs to use screen size when calculating quad offset
screenRenderSize = new Vector2(Screen.width, Screen.height);
// Set the camera's size, according to pixel size
float targetHeight = pixelRenderSize[1];
// Use pixel density to convert to world units
targetHeight /= pixelsPerUnit;
targetHeight /= 2f;
// Change orthographic size so camera is sized to world unit
cam.orthographicSize = targetHeight;
}
quadOffset = pixelSize - screenRenderSize;
quadOffset /= 2;
quadOffset.x /= Screen.width;
quadOffset.y /= Screen.height;
// Set camera aspect ratio, since pixel aspect ratio will be different from current aspect
float targetAspect = (float)pixelRenderSize[0] / (float)pixelRenderSize[1];
cam.aspect = targetAspect;
// Important to release current render texture
cam.targetTexture = null;
fallbackMaterial.SetTexture("_MainTex", null);
if (advancedSettings != null && advancedSettings.cameraMaterial != null)
{
advancedSettings.cameraMaterial.SetTexture("_MainTex", null);
}
if (renderTexture != null)
{
renderTexture.Release();
}
// Create new render texture
renderTexture = new RenderTexture(pixelRenderSize[0], pixelRenderSize[1], 0)
{
useMipMap = true,
filterMode = FilterMode.Point,
wrapMode = TextureWrapMode.Clamp
};
// Make main camera render into it
cam.targetTexture = renderTexture;
// Set render texture as _MainTex on materials
fallbackMaterial.SetTexture("_MainTex", renderTexture);
if (advancedSettings != null)
{
CameraMaterial = advancedSettings.cameraMaterial;
}
lastSettings = new CamSettings(aspect, zoomLevel, cam.fieldOfView, cam.orthographic);
cam.Render();
camDraw.DrawQuad();
}